BioStor
Microtus pennsylvanicus pennsylvanicus (Ord, 1815)
 | The land mammals of Newfoundland O Bangs (1913) Bulletin of The Museum of Comparative Zoology 54: 509-516 |
 | An Apparent Effect of Winter Inactivity upon Distribution of Mammals (1920) Journal of Mammalogy 1: 58-64 |
 | Notes on the Mammals of Northern Lake County, Minnesota Charles Eugene Johnson (1922) Journal of Mammalogy 3: 33-39 |
 | Mammals of the District of Columbia V Bailey (1923) Proceedings of The Biological Society of Washington 36: 103-138 |
 | Notes on the siphonapteran genus Catallagia Rothschild, including the description of a new species H E Ewing (1929) Proceedings of The Biological Society of Washington 42: 125-127 |
 | Natural history of Plummers Island, Maryland. IX. Mammals E A Goldman and H H T Jackson (1939) Proceedings of The Biological Society of Washington 52: 131-134 |
 | Fleas of eastern United States Irving Fox (1940) |
 | Type specimens of recent mammals in the Museum of Comparative Zoology K M Helgen and T L Mcfadden (2001) Bulletin of The Museum of Comparative Zoology 157: 93-181 |