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Arthropods (Arthropoda)
Proceedings of the Academy of Natura Sciences of Philadelphia- Journal available for free at Internet Archive
Individual Volumes:
1 1841-1843
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2 1844-1845
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3 1846-1847
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4 1848-1849
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5 1850-1851
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6 1852-1853
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7 1854-1855
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8 1856
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9 1857
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10 1858
11 1859
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12 1860
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13 1861
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14 1862
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15 1863
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16 1864
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17 1865
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18 1866
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19 1867
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20 1868
21 1869
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22 1870
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23 1871
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24 1872
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25 1873
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26 1874
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27 1875
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28 1876
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29 1877
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30 1878
31 1879
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32 1880
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33 1881
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34 1882
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35 1883
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36 1884
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37 1885
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38 1886
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39 1887
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40 1888
41 1889
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42 1890
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43 1891
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44 1892
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45 1893
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46 1894
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47 1895
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48 1896
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49 1897
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50 1898
51 1899
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52 1900
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53 1901
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54 1902
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55 1903
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56 1904
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57 1905
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58 1906
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59 1907
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60 1908
61 1910
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62 1910
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63 1911
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64 1912
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65 1913
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66 1914
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67 1915
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68 1916
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69 1917
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70 1918
71 1919
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72 1920
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73 1921
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74 1922
http://www.archive.org/search.php?query=Proceedings%20Academy%20Natural%20Sciences%20Philadelphia
Contributed by
Chuck Entz
on 12 November, 2011 - 11:56pm