Notulae Naturae of the Academy of Natural Sciences of Philadelphia Academy of Natural Sciences of Philadelphia Published: 1939 Total Pages: 840 Get eBook
Proceedings of The Academy of Natural Sciences (Vol. 135, 1983) Published: Total Pages: 284 Get eBook
Proceedings of The Academy of Natural Sciences (Vol. 113, 1961) Published: Total Pages: 330 Get eBook
Proceedings of The Academy of Natural Sciences Special Publication 14, 1984 Published: Total Pages: 260 Get eBook
Proceedings of The Academy of Natural Sciences (Vol. 121, 1969) Published: Total Pages: 352 Get eBook
A Study of Fossil Vertebrate Types in the Academy of Natural Sciences of Philadelphia Earle E. Spamer Published: 1995 Total Pages: 444 Get eBook
Proceedings of The Academy of Natural Sciences (Vol. 117, 1965) Published: Total Pages: 308 Get eBook
Proceedings of The Academy of Natural Sciences (Vol. 125, 1973) Published: Total Pages: 336 Get eBook
