Proceedings of the Academy of Natural Sciences of Philadelphia, 1915 Author Academy of Natural Sciences of Philadelphia Title Proceedings of the Academy...
Proceedings of the Academy of Natural Sciences of Philadelphia, 1879 Author Academy of Natural Sciences of Philadelphia Editor Edward J. Nolan, M...
Proceedings of the Academy of Natural Sciences of Philadelphia, 1898 Author Academy of Natural Sciences of Philadelphia Editor Edward J. Nolan, M...
Proceedings of the Academy of Natural Sciences of Philadelphia, 1871 Author Academy of Natural Sciences of Philadelphia Title Proceedings of the Academy...
Proceedings of the Academy of Natural Sciences of Philadelphia, 1869 Author Academy of Natural Sciences of Philadelphia Title Proceedings of the Academy...
DescriptionQuarterly Journal of the Geological Society of London, vol. 26.djvu English: Quarterly Journal of the Geological Society of London, vol. 26 Date 1870 Source...
The American Journal of Science. ( ) Title The American Journal of Science. Volume Series 2, Volume 9 Publisher New Haven, Kline Geology Laboratory...
for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:The_Biographical_Dictionary_of_America,_vol._10.djvu...
DescriptionQuarterly Journal of the Geological Society of London, vol. 27.djvu English: Quarterly Journal of the Geological Society of London, vol. 27 Date 1871 Source...
DescriptionScience (journal) Volume 1 1883.djvu English: Volume 1 of the journal Science from 1883. Date 1883 Source https://archive.org/details/science63sciegoog...