Pigs, patriotism and profit,

Mode of access: Internet.

History of the Duroc,

Mode of access: Internet.

Contagious diseases of domesticated animals.

Continuation of Special reports no. 12 and 22. No. 12 entitled: Investigation of diseases of swine [etc.]

Factors affecting the price and supply of hogs /

Includes bibliographical references (p. 72-75).

The Direct marketing of hogs /

Caption title.

A systems analysis of the hog-pork subsector /

Bibliography: p. 30.

Hog houses /

Caption title.

Experiments with milk artificially infected with tubercle bacilli /

Mode of access: Internet.

Hogs and pigs.

Item 24-H

Hogs and hog products and reciprocal trade agreements.

Reproduced from type-written copy.

British Berkshire herd book.

Mode of access: Internet.

American Poland-China record.

Brief history of the breed given in v. 3, p.[vii]-xi.

The American Yorkshire record.

Mode of access: Internet.

Ohio Poland-China record.

V. 21-23 published at Hamilton, Ohio.

Standard Poland-China record,

The origin and development of the Poland-China hog: v. 1, p. [22]-23.