Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge American Philosophical Society Published: 1859 Total Pages: 420 Get eBook
Proceedings, American Philosophical Society (vol. 124, No. 1, 1980) Published: Total Pages: 124 Get eBook
Proceedings, American Philosophical Society (vol. 118, No. 5, 1974) Published: Total Pages: 90 Get eBook
Bulletin of the United States Geological Survey Geological Survey (U.S.) Published: 1913 Total Pages: 204 Get eBook
Proceedings of the Academy of Natural Sciences of Philadelphia Academy of Natural Sciences of Philadelphia Published: 1867 Total Pages: 336 Get eBook
