Advertisements, OAC Review, v.42, no.8, Apr. 1930, p.493, 495, 499, 501, 503, 505, 507- 510.

Cockshutt Plow Co. (Brantford, Ont.)

http://n2t.net/ark:/99166/w6039hgr (corporateBody)

Parke, Davis & Co., (Walkerville, Ont.)

http://n2t.net/ark:/99166/w6cd1rkg (corporateBody)

De Laval Dairy Supply Co. Ltd., (Montreal, Que.)

http://n2t.net/ark:/99166/w6r032rg (corporateBody)

OAC Review Index

http://n2t.net/ark:/99166/w6b960zv (corporateBody)

Canada Cement Company (Montreal, Que.)

http://n2t.net/ark:/99166/w6zt3n8c (corporateBody)

Central Ontario Bus Lines, (Toronto, Ont.)

http://n2t.net/ark:/99166/w6cv9g3d (corporateBody)

Case (J.I.) Threashing Machine Company Inc.

http://n2t.net/ark:/99166/w62p00sn (corporateBody)

Frost Steel and Wire Co. Limited, (Hamilton, Ont.)

http://n2t.net/ark:/99166/w64z0697 (corporateBody)

Rennie (William) Seed Company Limited, (Toronto, Ont.)

http://n2t.net/ark:/99166/w6r26012 (corporateBody)

Ralston Purina Company

http://n2t.net/ark:/99166/w6m0805p (corporateBody)

Saint Louis, MO. From the description of Pamphlets, ca.1932-1934. (College of Physicians of Philadelphia). WorldCat record id: 122584473 ...

Macdonald (D.E) & Bros. Limited, (Guelph, Ont.)

http://n2t.net/ark:/99166/w6rj9hb8 (corporateBody)

Hamilton Bus Lines.

http://n2t.net/ark:/99166/w6wt3rjk (corporateBody)