- Item content: English
- Also available online via Internet.
Originally issued May 1926.
"May 1936 on p. ii is date of a previous reprint"--GPO Monthly Catalog, Oct. 1941, p. 1384.
Revision of Farmers' bulletin 438, Hog houses.
Revision prepared by W. A. Craft.
- ii, 13 pages : illustrations, plans ; 23 cm.
- A 1.9:1487/2-3
- A 1.9:1487/2