Land slugs and snails and their control
White, W.H., Davis, A.C.
Land slugs and snails and their control - Washington 1942 - 1-8 p. - Land, Slugs, Snails United States Department of Agriculture. Farmers Bulletin No. 1895 .
Land slugs and snails and their control - Washington 1942 - 1-8 p. - Land, Slugs, Snails United States Department of Agriculture. Farmers Bulletin No. 1895 .