Snakes of the Hoogstraal expeditions to northern Mexico Smith, Hobart M. (Hobart Muir), 1912-2013 creator text book Chicago 1944 1944
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ENG Caption title. Hoogstraal expeditions to northern Mexico, 1938-19 Mexico Serpents QL1 .F4 v. 29 Publication (Field Museum of Natural History : 1909), 553 0097-5753 ; Publication (Field Museum of Natural History : 1909), Zoological series, v. 29, no. 8 https://www.biodiversitylibrary.org/bibliography/42255 https://www.biodiversitylibrary.org/bibliography/2987 1264411 10.5962/bhl.title.2987