1917
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Gaige, Helen T. Description of a new salamander from Washington. Occasional Papers of the Museum of Zoology, University of Michigan 40:1–3
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1918
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Dunn, Emmett R.. The collection of amphibia of the Museum of Comparative Zoology. Bulletin of the Museum of Comparative Zoology 62:445-471
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1920
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Dunn, Emmett R. Notes on two Pacific Coast Ambystomidae. Proceedings of the New England Zoölogical Club. Cambridge, Massachusetts 7:55–59
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1943
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Myers, George S. Notes on Rhyacotriton olympicus and Ascaphus truei in Humboldt County, California . Copeia 1943(2):125-126
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1951
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Stebbins, Robert C. and Charles H. Lowe, Jr. Subspecific differentiation in the Olympic salamander Rhyacotriton olympicus. University of California Publications in Zoology 50:465–484
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1968
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Anderson, James D. Rhyacotriton and R. olympicus. Catalogue of American Amphibians and Reptiles (68):1-2
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1969
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Bury, R. Bruce, Gary M. Fellers, and Stephen B. Ruth. First records of Plethodon dunni in California, and new distributional data on Ascaphus truei, Rhyacotriton olympicus, and Hydromantes shastae. Journal of Herpetology 3(3-4):157-161
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2006
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Wagner, R. Steven, Mark P. Miller, and Susan M. Haig. Phylogeography and genetic identification of newly-discovered populations of Torrent Salamanders (Rhyacotriton cascadae and R variegatus) in the central cascades (USA). Herpetologica 62(1):63-70
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