Nomenclature of pear; catalogue-index of known varieties referred to in American publications from 1804 to 1907
Contributors: Sherwood, Emily Lee.
Series: Plant Industry Bur. Bull. No. 126; Plant Industry Bur. Doc. No. 337
Publisher: U.S. G.P.O.
Published: 1908
Place of publication: [Washington, D.C.]
Format: Microform
Subjects: Pear.