Proceedings, American Philosophical Society (vol. 119, No. 2, 1975) Published: Total Pages: 106 Get eBook
Proceedings, American Philosophical Society (vol. 116, No. 2, 1972) Published: Total Pages: 104 Get eBook
Proceedings, American Philosophical Society (vol. 117, No. 2, 1973) Published: Total Pages: 68 Get eBook
Proceedings, American Philosophical Society (vol. 118, No. 2, 1974) Published: Total Pages: 102 Get eBook