Spearing, Jack 1914- creator text xx Ames Iowa State College Press [1952] 1952 monographic eng

print

xii, 97 p. illus. 20 cm. Dairy cattle Livestock exhibitions SF239 .S65 636.2074 agr52000478 U. S. Dept. of Agr. Libr. 761213 20260227111017.0 agr52000478