By Kent, George C..
New York Blakiston Co. 1954 .
530 p.

By Menzel, Donald Howard.
Philadelphia Blakiston Co. 1950 .
viii, 326 p.

By Shapley, Harlow.
Philadelphia The Blakiston Co. 1943 .
vii, 229 p.

By Krieg, Wendell J. S..
New York The Blakiston Co. 1953 .
xviii, 659 p.

By Gates, R. Ruggles.
Philadelphia Blakiston Co. 1949 .
vii, 267 p.

New York Blakiston Co. 1954 .
3 v. , Vols. 2-3 published by Blakiston Division, McGraw-Hill. 24 cm..

By Bishop, Peter Maxwell Farrow..
New York P. Blakiston Co. 1954 .
348 p. , Previous editions by A. T. Cameron.

By Stöhr, Philipp.
Philadelphia Blakiston Co. 1948 .
ix, 723 p. 24 cm..

By Edwards, Linden F..
Philadelphia Blakiston Co. 1947 .
xxiv, 548 p.