" Proceedings of the American Philosophical Society 127. 3 ( 1983 ): 135 – 42.
" Proceedings of the American Philosophical Society 95 ( 1951 ): 266 – 85.
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" Proceedings of the American Philosophical Society 127. 3 ( 1983 ): 135 – 42.
" Proceedings of the American Philosophical Society 95 ( 1951 ): 266 – 85.
0.003 seconds.