https://www.thriftbooks.com/w/british-marine-conchology-being-a-descriptive-catalogue-arranged-according-to-the-lamarckian-syste/14903694/
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https://archive.org/details/americanjournalo5186970tryo/americanjournalo5186970tryo?view=theater&ui=embed&wrapper=false
American journal of conchology : Tryon, George W. (George Washington), 1838-1888 : Free Download,...
Vols. 3-7 published by the Conchological section of the Academy of Natural Sciences of Philadelphia
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