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Dietary overlap in sympatric populations of Pygmy shrews, Sorex hoyi, and Masked shrews, Sorex cinereus, in Michigan. The Canadian Field-Naturalist. 100(2):225-228.. 1986.
Distribution and comparative ecology of the pygmy (Sorex hoyi) and masked (Sorex cinereus) shrews in northern lower Michigan. Department of Biology. Master of Science:58pp... 1982.
Distribution and habitat of the pygmy shrew, Sorex (Microsorex) hoyi in Michigan. Jack Pine Warbler. 60:85-86.. 1982.