The improvement of the farm egg
By: by Harry M. Lamon and Charles L. Opperman.
Contributors: Opperman, C. L.
Series: Bulletin / U.S. Department of Agriculture, Bureau of Animal Industry -- 141; Bulletin (United States. Bureau of Animal Industry) -- 141.
Publisher: U.S. Dept. of Agriculture, Bureau of Animal Industry
Published: 1911
Place of publication: Washington, D.C
Language: eng
Number of pages: 43
Subjects: Eggs -- Grading.; Egg trade.