Includes bibliographical references and index. Archival master stored at National Agricultural Library, Beltsville, MD : print master stored at remote facility.
Bibliography Note
Includes "List of works used and quoted from": pages xiii-xiv.
Reproduction Note
Microfilm. University Park, Pa. : Pennsylvania State University, 1997. 1 microfilm reel ; 35 mm. (USAIN state and local literature preservation project. Pennsylvania) (Pennsylvania agricultural literature on microfilm).