| 1437953484 |
|
Proceedings of The Academy of Natural Sciences (No. 1 -- Jan., Feb. and March, 1865) |
| 1437953530 |
|
Proceedings of The Academy of Natural Sciences (No. 1 -- Jan., Feb. and March, 1866) |
| 1437953646 |
|
Proceedings of The Academy of Natural Sciences (No. 1 -- Jan., Feb., Mar. and April, 1869) |
| 1437953689 |
|
Proceedings of The Academy of Natural Sciences (No. 1 -- Jan., Feb., Mar., April 1870) |
| 1437953549 |
|
Proceedings of The Academy of Natural Sciences (No. 2 -- April and May, 1866) |
| 1437953492 |
|
Proceedings of The Academy of Natural Sciences (No. 2 -- April, May and June, 1865) |
| 1437953379 |
|
Proceedings of The Academy of Natural Sciences (No. 2 -- Mar., 1863) |
| 143795359X |
|
Proceedings of The Academy of Natural Sciences (No. 2 -- Mar., April and May, 1868) |
| 1437953441 |
|
Proceedings of The Academy of Natural Sciences (No. 2 -- March and April, 1864) |
| 1437953654 |
|
Proceedings of The Academy of Natural Sciences (No. 2 -- May, June and July, 1869) |
| 1437953697 |
|
Proceedings of The Academy of Natural Sciences (No. 2 -- May, June, July, Aug. 1870) |
| 1437953387 |
|
Proceedings of The Academy of Natural Sciences (No. 3 -- April and May, 1863) |
| 1437953662 |
|
Proceedings of The Academy of Natural Sciences (No. 3 -- Aug., Sept., Oct. and Nov., 1869) |
| 1437953506 |
|
Proceedings of The Academy of Natural Sciences (No. 3 -- July and Aug., 1865) |
| 1437953557 |
|
Proceedings of The Academy of Natural Sciences (No. 3 -- June, July and Aug., 1866) |
| 1437953603 |
|
Proceedings of The Academy of Natural Sciences (No. 3 -- June, July and Aug., 1868) |
| 143795345X |
|
Proceedings of The Academy of Natural Sciences (No. 3 -- May, June, July and Aug., 1864) |
| 1437953700 |
|
Proceedings of The Academy of Natural Sciences (No. 3 -- Sept., Oct., Nov., Dec. 1870) |
| 1437953670 |
|
Proceedings of The Academy of Natural Sciences (No. 4 -- Dec., 1869) |
| 1437953395 |
|
Proceedings of The Academy of Natural Sciences (No. 4 -- June and July, 1863) |
| 1437953468 |
|
Proceedings of The Academy of Natural Sciences (No. 4 -- Sept. and Oct., 1864) |
| 1437953514 |
|
Proceedings of The Academy of Natural Sciences (No. 4 -- Sept. and Oct., 1865) |
| 1437953611 |
|
Proceedings of The Academy of Natural Sciences (No. 4 -- Sept. and Oct., 1868) |
| 1437953565 |
|
Proceedings of The Academy of Natural Sciences (No. 4 -- Sept., Oct. and Nov., 1866) |
| 1437953409 |
|
Proceedings of The Academy of Natural Sciences (No. 5 -- Aug. and Sept., 1863) |
| 1437953573 |
|
Proceedings of The Academy of Natural Sciences (No. 5 -- Dec., 1866) |
| 1437953522 |
|
Proceedings of The Academy of Natural Sciences (No. 5 -- Nov and Dec., 1865) |
| 1437953476 |
|
Proceedings of The Academy of Natural Sciences (No. 5 -- Nov. and Dec., 1864) |
| 143795362X |
|
Proceedings of The Academy of Natural Sciences (No. 5 -- Nov. and Dec., 1868) |
| 1437953638 |
|
Proceedings of The Academy of Natural Sciences (No. 6 -- Dec., 1868) |
| 1437953417 |
|
Proceedings of The Academy of Natural Sciences (No. 6 -- Oct. and Nov., 1863) |
| 1437953425 |
|
Proceedings of The Academy of Natural Sciences (No. 7 -- Dec., 1863) |
| 1437954014 |
|
Proceedings of The Academy of Natural Sciences (No. V -- Apr. and May, 1862) |
| 1437954022 |
|
Proceedings of The Academy of Natural Sciences (No. VI -- June 1862) |
| 1437953999 |
|
Proceedings of The Academy of Natural Sciences (Nos. I and II -- Jan. and Feb., 1862) |
| 1437954006 |
|
Proceedings of The Academy of Natural Sciences (Nos. III and IV -- Mar. and Apr., 1862) |
| 1437954030 |
|
Proceedings of The Academy of Natural Sciences (Nos. VII, VIII, IX -- July, Aug., and Sept., 1862) |
| 1437954049 |
|
Proceedings of The Academy of Natural Sciences (Nos. X, XI, XII -- Oct., Nov., Dec., 1862) |
| 1437954545 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan. and Feb., 1900) |
| 1437953778 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan., Feb., 1873) |
| 1437953891 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan., Feb., and Mar., 1877) |
| 1437954065 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan., Feb., and Mar., 1879) |
| 143795409X |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan., Feb., and Mar., 1880) |
| 1437953743 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan., Feb., Mar. Apr., 1872) |
| 1437953719 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan., Feb., Mar., 1871) |
| 1437953808 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan., Feb., Mar., 1874) |
| 1437954510 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan., Feb., Mar., 1898) |
| 1437953832 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan., Feb., Mar., Apr., 1875) |
| 1437953867 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan., Feb., Mar., Apr., and May, 1876) |
| 1437953921 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan.-Apr., 1878 |
| 1437954154 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan.-Apr., 1882) |
| 1437954278 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan.-Apr., 1887) |
| 1437954332 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan.-Apr., 1889) |
| 1437954456 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan.-Apr., 1894) |
| 1437954308 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan.-Feb., 1888) |
| 1437954243 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan.-Mar., 1886) |
| 1437954367 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan.-Mar., 1890) |
| 1437954391 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan.-Mar., 1891) |
| 1437954421 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan.-Mar., 1893) |
| 1437954480 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan.-Mar., 1895) |
| 1437954189 |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan.-May, 1883) |
| 143795412X |
|
Proceedings of The Academy of Natural Sciences (Part I -- Jan.-May, 1881) |
| 1437954219 |
|
Proceedings of The Academy of Natural Sciences (Part I --Jan. - Apr., 1884) |
| 1437953786 |
|
Proceedings of The Academy of Natural Sciences (Part I I -- Mar., Apr., May, June, 1873) |
| 1437953905 |
|
Proceedings of The Academy of Natural Sciences (Part II -- Apr., May, June, July, and Aug., 1877) |
| 1437953727 |
|
Proceedings of The Academy of Natural Sciences (Part II -- Apr., May, June, July, Aug. 1871) |
| 1437953816 |
|
Proceedings of the Academy of Natural Sciences (Part II -- Apr., May, June, July, Aug., Sept., 1874) |
| 1437954286 |
|
Proceedings of The Academy of Natural Sciences (Part II -- Apr.-Aug., 1887) |
| 1437954405 |
|
Proceedings of The Academy of Natural Sciences (Part II -- Apr.-Aug., 1891) |
| 1437954073 |
|
Proceedings of The Academy of Natural Sciences (Part II -- Apr.-Oct., 1879) |
| 143795393X |
|
Proceedings of The Academy of Natural Sciences (Part II -- Apr.-Sept., 1878) |
| 1437954103 |
|
Proceedings of The Academy of Natural Sciences (Part II -- Apr.-Sept., 1880) |
| 1437954251 |
|
Proceedings of The Academy of Natural Sciences (Part II -- Apr.-Sept., 1886) |
| 1437954375 |
|
Proceedings of The Academy of Natural Sciences (Part II -- Apr.-Sept., 1890) |
| 143795443X |
|
Proceedings of The Academy of Natural Sciences (Part II -- Apr.-Sept., 1893) |
| 1437954499 |
|
Proceedings of The Academy of Natural Sciences (Part II -- Apr.-Sept., 1895) |
| 1437954529 |
|
Proceedings of The Academy of Natural Sciences (Part II -- Apr.-Sept., 1898) |
| 1437954138 |
|
Proceedings of The Academy of Natural Sciences (Part II -- June and July, 1881) |
| 1437953875 |
|
Proceedings of The Academy of Natural Sciences (Part II -- June, July, Aug., and Sept., 1876) |
| 1437954197 |
|
Proceedings of The Academy of Natural Sciences (Part II -- June-Oct., 1883) |
| 1437954553 |
|
Proceedings of The Academy of Natural Sciences (Part II -- Mar.-Aug., 1900) |
| 1437954316 |
|
Proceedings of The Academy of Natural Sciences (Part II -- Mar.-Sept., 1888) |
| 1437953751 |
|
Proceedings of The Academy of Natural Sciences (Part II -- May, June, July, Aug., Sept. 1872) |
| 1437953840 |
|
Proceedings of The Academy of Natural Sciences (Part II -- May, June, July, Aug., Sept., 1875) |
| 1437954162 |
|
Proceedings of The Academy of Natural Sciences (Part II -- May-Oct., 1882) |
| 1437954227 |
|
Proceedings of The Academy of Natural Sciences (Part II -- May-Oct., 1884) |
| 1437954340 |
|
Proceedings of The Academy of Natural Sciences (Part II -- May-Sept., 1889) |
| 1437954464 |
|
Proceedings of The Academy of Natural Sciences (Part II -- May-Sept., 1894) |
| 1437954146 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Aug.-Dec., 1881) |
| 1437954081 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Nov. and Dec., 1879) |
| 1437954200 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Nov. and Dec., 1883) |
| 1437954235 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Nov.-Dec., 1884) |
| 1437953883 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct., Nov., and Dec., 1876) |
| 1437953735 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct., Nov., Dec. 1871) |
| 143795376X |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct., Nov., Dec. 1872) |
| 1437953794 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct., Nov., Dec., 1873) |
| 1437953824 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct., Nov., Dec., 1874) |
| 1437953859 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct., Nov., Dec., 1875) |
| 1437954111 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct.-Dec., 1880) |
| 1437954170 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct.-Dec., 1882) |
| 143795426X |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct.-Dec., 1886) |
| 1437954324 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct.-Dec., 1888) |
| 1437954359 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct.-Dec., 1889) |
| 1437954383 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct.-Dec., 1890) |
| 1437954448 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct.-Dec., 1893) |
| 1437954472 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct.-Dec., 1894) |
| 1437954502 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Oct.-Dec., 1895) |
| 1437953913 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Sept., Oct., Nov., and Dec., 1877) |
| 1437953948 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Sept., Oct., Nov., and Dec., 1878) |
| 1437954294 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Sept.-Dec., 1887) |
| 1437954413 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Sept.-Dec., 1891) |
| 1437954537 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Sept.-Dec., 1898) |
| 1437954561 |
|
Proceedings of The Academy of Natural Sciences (Part III -- Sept.-Dec., 1900) |
| 1437955101 |
|
Proceedings of The Academy of Natural Sciences (Vol. 113, 1961) |
| 1437955118 |
|
Proceedings of The Academy of Natural Sciences (Vol. 114, 1962) |
| 1437955126 |
|
Proceedings of The Academy of Natural Sciences (Vol. 115, 1963) |
| 1437955134 |
|
Proceedings of The Academy of Natural Sciences (Vol. 116, 1964) |
| 1437955142 |
|
Proceedings of The Academy of Natural Sciences (Vol. 117, 1965) |
| 1437955150 |
|
Proceedings of The Academy of Natural Sciences (Vol. 118, 1966) |
| 1437955169 |
|
Proceedings of The Academy of Natural Sciences (Vol. 119, 1967) |
| 1437955177 |
|
Proceedings of The Academy of Natural Sciences (Vol. 120, 1968) |
| 1437955185 |
|
Proceedings of The Academy of Natural Sciences (Vol. 121, 1969) |
| 1437955193 |
|
Proceedings of The Academy of Natural Sciences (Vol. 122, 1970) |
| 1437955207 |
|
Proceedings of The Academy of Natural Sciences (Vol. 123, 1971) |
| 1437955215 |
|
Proceedings of The Academy of Natural Sciences (Vol. 124, 1972) |
| 1437955223 |
|
Proceedings of The Academy of Natural Sciences (Vol. 125, 1973) |
| 1437955630 |
|
Proceedings of The Academy of Natural Sciences (Vol. 126, 1974) |
| 1437955231 |
|
Proceedings of The Academy of Natural Sciences (Vol. 127, 1975) |
| 143795524X |
|
Proceedings of The Academy of Natural Sciences (Vol. 128, 1976) |
| 1437955258 |
|
Proceedings of The Academy of Natural Sciences (Vol. 129, 1977 [1978]) |
| 1437955266 |
|
Proceedings of The Academy of Natural Sciences (Vol. 130, 1978) |
| 1437955274 |
|
Proceedings of The Academy of Natural Sciences (Vol. 131, 1979) |
| 1437955282 |
|
Proceedings of The Academy of Natural Sciences (Vol. 132, 1980) |
| 1437955290 |
|
Proceedings of The Academy of Natural Sciences (Vol. 133, 1981) |
| 1437955304 |
|
Proceedings of The Academy of Natural Sciences (Vol. 134, 1982) |
| 1437955312 |
|
Proceedings of The Academy of Natural Sciences (Vol. 135, 1983) |
| 1437955339 |
|
Proceedings of The Academy of Natural Sciences (Vol. 136, 1984) |
| 1437955347 |
|
Proceedings of The Academy of Natural Sciences (Vol. 137, No. 1, July 1985) |
| 1437955355 |
|
Proceedings of The Academy of Natural Sciences (Vol. 137, No. 2, December 1985) |
| 1437955363 |
|
Proceedings of The Academy of Natural Sciences (Vol. 138, No. 1, December 24, 1986) |
| 1437955371 |
|
Proceedings of The Academy of Natural Sciences (Vol. 138, No. 2, December 30, 1986) |
| 143795538X |
|
Proceedings of The Academy of Natural Sciences (Vol. 139, 1987, December 28, 1987) |
| 1437955398 |
|
Proceedings of The Academy of Natural Sciences (Vol. 140, 1988) |
| 1437955401 |
|
Proceedings of The Academy of Natural Sciences (Vol. 141, 1989) |
| 143795541X |
|
Proceedings of The Academy of Natural Sciences (Vol. 142, 1990) |
| 1437955428 |
|
Proceedings of The Academy of Natural Sciences (Vol. 143, 1991) |
| 1437955436 |
|
Proceedings of The Academy of Natural Sciences (Vol. 144, 1993) |
| 1437955444 |
|
Proceedings of The Academy of Natural Sciences (Vol. 145, 1994) |
| 1437955452 |
|
Proceedings of The Academy of Natural Sciences (Vol. 146, 1995) |
| 1437955460 |
|
Proceedings of The Academy of Natural Sciences (Vol. 147. 1997) |
| 1437955479 |
|
Proceedings of The Academy of Natural Sciences (Vol. 148, 31 October 1997) |
| 1437955487 |
|
Proceedings of The Academy of Natural Sciences (Vol. 149, 1999) |
| 1437955495 |
|
Proceedings of The Academy of Natural Sciences (Vol. 150, 2000) |
| 1437955509 |
|
Proceedings of The Academy of Natural Sciences (Vol. 151, 2001) |
| 1437955517 |
|
Proceedings of The Academy of Natural Sciences (Vol. 152, 2002) |
| 1437955525 |
|
Proceedings of The Academy of Natural Sciences (Vol. 154, 2005) |
| 1437955533 |
|
Proceedings of The Academy of Natural Sciences (Vol. 156, 2007) |
| 1437955614 |
|
Proceedings of The Academy of Natural Sciences (Vol. 156, 2007) |
| 1437955541 |
|
Proceedings of The Academy of Natural Sciences (Vol. 3, 1846 and 1847) |
| 1437955010 |
|
Proceedings of The Academy of Natural Sciences (Vol. C, 1948) |
| 1437955029 |
|
Proceedings of The Academy of Natural Sciences (Vol. CI, 1949) |
| 1437955037 |
|
Proceedings of The Academy of Natural Sciences (Vol. CII, 1950) |
| 1437955045 |
|
Proceedings of The Academy of Natural Sciences (Vol. CIII, 1951) |
| 1437955053 |
|
Proceedings of The Academy of Natural Sciences (Vol. CIV, 1952) |
| 1437955061 |
|
Proceedings of The Academy of Natural Sciences (Vol. CV, 1953) |
| 143795507X |
|
Proceedings of The Academy of Natural Sciences (Vol. CVI, 1954) |
| 1437955088 |
|
Proceedings of The Academy of Natural Sciences (Vol. CVII, 1955) |
| 1437955096 |
|
Proceedings of The Academy of Natural Sciences (Vol. CVIII, 1956) |
| 143795457X |
|
Proceedings of The Academy of Natural Sciences (Vol. LIII, Part I -- Jan., Feb., Mar., 1901) |
| 1437954588 |
|
Proceedings of The Academy of Natural Sciences (Vol. LIII, Part II -- Apr., May, June, July, Aug. 1901) |
| 1437954618 |
|
Proceedings of The Academy of Natural Sciences (Vol. LIII, Part II -- May, June, July, Aug., Sept., 1902) |
| 1437954622 |
|
Proceedings of The Academy of Natural Sciences (Vol. LIII, Part III -- Sept., Oct., Nov., Dec. 1902) |
| 1437954596 |
|
Proceedings of The Academy of Natural Sciences (Vol. LIII, Part III -- Sept., Oct., Nov., Dec., 1901) |
| 143795474X |
|
Proceedings of The Academy of Natural Sciences (Vol. LIIX, Part III -- Oct., Nov., Dec., 1907)- |
| 143795460X |
|
Proceedings of The Academy of Natural Sciences (Vol. LIV, Part I -- Jan., Feb., Mar., Apr., 1902) |
| 1437954723 |
|
Proceedings of The Academy of Natural Sciences (Vol. LIX, Part I -- Jan., Feb., March, 1907) |
| 1437954731 |
|
Proceedings of The Academy of Natural Sciences (Vol. LIX, Part II -- April-Sept., 1907) |
| 1437954634 |
|
Proceedings of The Academy of Natural Sciences (Vol. LVI, Part I -- Jan., Feb., March, 1904) |
| 1437954642 |
|
Proceedings of The Academy of Natural Sciences (Vol. LVI, Part II -- April, May, June, July, Aug., 1904) |
| 1437954650 |
|
Proceedings of The Academy of Natural Sciences (Vol. LVI, Part III -- Sept., Oct., Nov., Dec., 1904) |
| 1437954669 |
|
Proceedings of The Academy of Natural Sciences (Vol. LVII, Part I -- Jan., Feb., March, 1905) |
| 1437954677 |
|
Proceedings of The Academy of Natural Sciences (Vol. LVII, Part II -- Apr., May, Jun., Jul., Aug., 1905) |
| 1437954685 |
|
Proceedings of The Academy of Natural Sciences (Vol. LVII, Part III -- Sept., Oct., Nov., Dec., 1905) |
| 1437954693 |
|
Proceedings of The Academy of Natural Sciences (Vol. LVIII, Part I -- Jan., Feb., March, Apr., 1906) |
| 1437954707 |
|
Proceedings of The Academy of Natural Sciences (Vol. LVIII, Part II -- May, June, July, Aug., Sept., 1906) |
| 1437954715 |
|
Proceedings of The Academy of Natural Sciences (Vol. LVIII, Part III -- Oct., Nov., Dec., 1906) |
| 1437954758 |
|
Proceedings of The Academy of Natural Sciences (Vol. LX, Part I -- Jan., Feb., March, April, 1908) |
| 1437954766 |
|
Proceedings of The Academy of Natural Sciences (Vol. LX, Part II -- May and June, 1908) |
| 1437954774 |
|
Proceedings of The Academy of Natural Sciences (Vol. LX, Part III -- July to Dec., 1908) |
| 1437954782 |
|
Proceedings of The Academy of Natural Sciences (Vol. LXI, Part I -- Jan., Feb., March, 1909) |
| 1437954790 |
|
Proceedings of The Academy of Natural Sciences (Vol. LXI, Part II -- Apr.-Sept., 1909) |
| 1437954804 |
|
Proceedings of The Academy of Natural Sciences (Vol. LXI, Part III -- Oct., Nov., Dec., 1909) |
| 1437954820 |
|
Proceedings of The Academy of Natural Sciences (Vol. LXXXI, 1929) |
| 1437954839 |
|
Proceedings of The Academy of Natural Sciences (Vol. LXXXII, 1930) |
| 1437954847 |
|
Proceedings of The Academy of Natural Sciences (Vol. LXXXIII, 1931) |
| 1437954855 |
|
Proceedings of The Academy of Natural Sciences (Vol. LXXXIV, 1932) |
| 1437954901 |
|
Proceedings of The Academy of Natural Sciences (Vol. LXXXIX, 1937) |
| 1437954863 |
|
Proceedings of The Academy of Natural Sciences (Vol. LXXXV, 1933) |
| 1437954871 |
|
Proceedings of The Academy of Natural Sciences (Vol. LXXXVI, 1934) |
| 143795488X |
|
Proceedings of The Academy of Natural Sciences (Vol. LXXXVII, 1935) |
