Christensen, Clyde Martin, 1905- Common edible mushrooms / by Clyde M. Christensen - Renewed ed. - Minneapolis : University of Minnesota Press, 1970 - x, 124 p. : ill., 4 col. pl. (incl. front.) ; 21 cm. Bibliography : p. 119-120 Subjects--Topical Terms: Mushrooms--United StatesCookery (Mushrooms)