Princeton, N.J., Van Nostrand 1967
7th ed.

Princeton, N. J., Van Nostrand 1961
6th ed.

New York : Van Nostrand, 1951
3d ed.

Baltimore : The Williams & company and associates in cooperation with the Century of progress exposition, 1932

New York : The Viking press, 1937

New York, D. Van Nostrand company, inc. 1938
3d ed.

New York, Viking Press 1946

Princeton, N.J., Van Nostrand 1957
5th ed.

Princeton, N.J. : Van Nostrand, 1964
8th ed.

New York, D. Van Nostrand Company, 1933
2d ed.

New York, Viking Press 1957
Rev. ed.

New York, Van Nostrand 1955
6th ed.

New York, D. Van Nostrand Co., 1947
3d ed.

New York : D. Van Nostrand Reinhold, 1971
9th ed.

New York : Viking Press, 1954
Rev. ed.

New York, Simon and Schuster 1956
[Rev. edition]

New York, Golden Press 1956

New York : The New Home Library, 1942

New York : Simon and Schuster, 1951

New York, Simon and Schuster 1951