Biodiversity Heritage Library

By: MacGregor, Wallace F., - Dingee, W. W.,

Edition: 6th ed., rev. and enl.

Publication info: Racine, Wis.,J.I. Case threshing machine co., incorporated,1911.

Contributed by: Library of Congress

By: MacGregor, Wallace F., - Dingee, W. W.,

Edition: 5th ed., rev. and enl.

Publication info: Racine, Wis.,J. I. Case Threshing Machine Co.,1907.

Contributed by: Library of Congress

By: MacGregor, Wallace F., - Dingee, W. W.,

Edition: 5th ed., rev. and enl.

Publication info: Racine, Wis.,J. I. Case Threshing Machine Co.,1907.

Contributed by: University of California Libraries (archive.org)