George Washington Tryon

Manual Of Conchology

American Journal of Conchology; Volume 5

Monograph of the Terrestrial Mollusca Inhabiting the United States

American Marine Conchology

List of American Writers on Recent Conchology. with the Titles of Their Memoirs and Dates of Publication

Manual Of Conchology, Structural And Systemic

Structural and Systematic Conchology - an Introduction to the Study of the Mollusca. Vol. Ii

Manual of Conchology; Structural and Systematic. with Illustrations of the Species. Vol Xiv

Manual of Conchology; Structural and Systematic. with Illustrations of the Species. Vol Xvi

Manual of Conchology; Structural and Systematic. with Illustrations of the Species. Vol Xi

Manual of Conchology; Structural and Systematic. with Illustrations of the Species. Vol Xiii

Manual of Conchology; Structural and Systematic. with Illustrations of the Species - Urocoptidae

Manual of Conchology; Structural and Systematic. with Illustrations of the Species. Pulmonata - Volume Xii

Manual of Conchology; Structural and Systematic. Index to the Helices

Manual of Conchology; Structural and Systematic with Illustrations of the Species Second Series

Land and Fresh Water Shells of North America

Manual of Conchology, Structural and Systematic

Complete Writings of Constantine Smaltz Rafinesque on Recent & Fossil Conchology. Edited by Wm. G. Binney and George W. Tryon Jr