Dairy herd improvement herd book.
Contributors: Pennsylvania State College. School of Agriculture and Experiment Station. Division of Extension.
Series: USAIN state and local literature preservation project; Pennsylvania agricultural literature on microfilm
Publisher: Pennsylvania State College, School of Agriculture and Experiment Station, Division of Extension.
Published: 1uuu
Place of publication: [University Park, Pa?]
Language: eng
Format: Microform
Subjects: Dairy cattle -- Pedigrees.
Genres: Pedigrees.