1 matching record(s)
file Q (Mason)Cope, Thomas D.
"A Frame of Reference for Mason and Dixon"
offprint from Proceedings of the Pennsylvania Academy of Science, vol. XIX, 1945, pp. 79-86.
[Unknown]
1945
1 matching record(s)
file Q (Mason)Cope, Thomas D.
"A Frame of Reference for Mason and Dixon"
offprint from Proceedings of the Pennsylvania Academy of Science, vol. XIX, 1945, pp. 79-86.
[Unknown]
1945