The crawfishes of western Pennsylvania Crawfishes Ortmann, Arnold E. 1863-1927 creator text book Pittsburgh Carnegie Institute 1905 1905
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ENG Detached from Annals of the Carnegie Museum, Vol. III, No. 2, 1905. Crayfish QE817.D3 O77 1902 Annals of the Carnegie Museum, v.3:no.2 https://www.biodiversitylibrary.org/bibliography/8985 https://www.biodiversitylibrary.org/bibliography/16015 21922092 10.5962/bhl.title.16015 SMI