Michigan State University. Dept. of Resource Development & Humphrys, C. R. (1963). Michigan inland lake reference list. Dept. of Resource Development, Michigan State University.

Michigan State University. Dept. of Resource Development and Clifford Robertson Humphrys. Michigan Inland Lake Reference List. East Lansing, Mich.: Dept. of Resource Development, Michigan State University, 1963.

Michigan State University. Dept. of Resource Development and Clifford Robertson Humphrys. Michigan Inland Lake Reference List. Dept. of Resource Development, Michigan State University, 1963.