BioStor
 | Two new pigmy shrews of the genus Microsorex H H T Jackson (1925) Proceedings of The Biological Society of Washington 38: 125-126 |
 | First record of the pigmy shrew in Wyoming and description of a new subspecies (Mammalia: Insectivora) L N Brown (1966) Proceedings of The Biological Society of Washington 79: 49-51 |