Pilsbry, H. A. (1946). Land Mollusca of North America (north of Mexico). Volume II Part 1. The Academy of Natural Sciences of Philadelphia Monographs. 3: i-viii, 1-520, 1 plate. Philadelphia [6 December].
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Pilsbry, H. A.
1946
Land Mollusca of North America (north of Mexico). Volume II Part 1
The Academy of Natural Sciences of Philadelphia Monographs
3: i-viii, 1-520, 1 plate. Philadelphia [6 December]