Necturus; a laboratory manual Adams, Leverett A. (Leverett Allen), 1877- creator text book New York Macmillan 1926 1926
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ENG Dissection Laboratory manuals Necturus Zoology QL668.C2 A3 https://www.biodiversitylibrary.org/bibliography/11106 1143946 26017142 10.5962/bhl.title.11106