Official records of pure-bred dairy cows
By: by C.C. Hayden.
Series: Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 160; Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 160.
Publisher: University of Illinois Agricultural Experiment Station
Published: 1912
Place of publication: Urbana, Ill
Subjects: Cow testing -- Illinois.; Milk yield -- Illinois.
Other titles: Official records of pure bred dairy cows.