Freshwater Gastropoda. Numerous radula figures of Bythinella, Amnicola, etc., 1888-1904 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles Emerson Beecher Archives, 1888-1904Manuscript/Research Materials, 1888-1904Freshwater Gastropoda. Archival material related to Beecher's work on freshwater mollusca., 1888-1904
George Washington Tryon Jr. Correspondence. A letter from G.W. Tryon to W.B. Marshall, apparently forwarded to C.E. Beecher., 05 Dec 1877 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles Emerson Beecher Archives, 1888-1904Correspondence, 1888-1904George Washington Tryon Jr. Correspondence. Correspondence from G.W. Tryon to C.E. Beecher., 1887
George Washington Tryon Jr. Correspondence. Correspondence from G.W. Tryon to C.E. Beecher., 1887 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles Emerson Beecher Archives, 1888-1904Correspondence, 1888-1904
Henry Augustus Pilsbry Correspondence. A letter from H.A. Pilsbry to C.E. Beecher discussing fresh-water mollusca taxonomy and systematics., 1890-1892 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles Emerson Beecher Archives, 1888-1904Correspondence, 1888-1904Henry Augustus Pilsbry Correspondence. Correspondence from H.A. Pilsbry to C.E. Beecher., 1890-1892
Henry Augustus Pilsbry Correspondence. A letter from H.A. Pilsbry to C.E. Beecher informing Beecher he has received the collection of Amnicolidae and discussing other species., 14 Feb 1892 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles Emerson Beecher Archives, 1888-1904Correspondence, 1888-1904Henry Augustus Pilsbry Correspondence. Correspondence from H.A. Pilsbry to C.E. Beecher., 1890-1892
Henry Augustus Pilsbry Correspondence. A letter from H.A. Pilsbry to William B. Marshall, apparently forwarded to C.E. Beecher informing Marshall he is returning his Amnicolidae named., 18 Mar 1890 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles Emerson Beecher Archives, 1888-1904Correspondence, 1888-1904Henry Augustus Pilsbry Correspondence. Correspondence from H.A. Pilsbry to C.E. Beecher., 1890-1892
Henry Augustus Pilsbry Correspondence. Correspondence from H.A. Pilsbry to C.E. Beecher., 1890-1892 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles Emerson Beecher Archives, 1888-1904Correspondence, 1888-1904
Localities. Photographs and drawings of localities. Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles Emerson Beecher Archives, 1888-1904Drawings, Illustrations, Photographs, 1888-1904
Locality information. locality information., 1892 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles Emerson Beecher Archives, 1888-1904Miscellaneous, 1888-1904Locality Information. Locality information including notes and maps.
Locality Information. Locality information including notes and maps. Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles Emerson Beecher Archives, 1888-1904Miscellaneous, 1888-1904