Albert M. Field, John C. McDowell, edited by R. W. Gregory.
Dairy enterprises.
R585459. Dairy enterprises. By Albert M. Field, John C. McDowell, edited by R. W. Gregory. NM: revisions & additions. © 20Sep46; A6450. Eugene W. Hoppe (E of Albert M. Field); 16Sep74; R585459.
Eugene W. Hoppe|E of Albert M. Field