ISBN 3337013074 books & textbook
A Biographical Notice of George W. Tryon, Jr.: Conservator of the Conchological Section of the Academy of Natural Sciences of Philadelphia
Ruschenberger, William S.W. Ruschenberger
hansebooks /2017-04-24 Paperback / 28 Pages
isbn-10: 3337013074 / isbn-13: 9783337013073
