Academy Of Natural Philadelphia

Proceedings of the Academy of Natural Sciences of Philadelphia Volume 116

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 149-150)

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 144-145)

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 62 )

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 140)

Proceedings of the Academy of Natural Sciences of Philadelphia Volume 35

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 70-71)

Proceedings of the Academy of Natural Sciences of Philadelphia Volume 13

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 110)

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 72 )

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 28 )

Proceedings of the Academy of Natural Sciences of Philadelphia Volume 42

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 52)

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 56)

Proceedings of the Academy of Natural Sciences of Philadelphia Volume 66

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 24)

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 152-154)

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 107)

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 149-151)

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 136-138)

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 92-94)

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 127)

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 25 )

Proceedings of the Academy of Natural Sciences of Philadelphia (Volume 132-135)