Vol: Page

J. B. Burch & Younghun Jung

1988

Land Snails of the university of Michigan Biological Station Area, Northern Lower Peninsula, Michigan

3(9): 1-177

J. B. Burch & Younghun Jung

1992

Freshwater Snails of the university of Michigan Biological Station Area

6(15): v+218

Harold W. Harry

1997

Carychium Exiguum (Say) of Lower Michigan

9(21)iv+104