The mainspring of human progress.

Bibliographic Details

Main Author:	Weaver, Henry Grady, 1889-1949
Other Authors:	Lane, Rose Wilder, 1886-1968
Format:	Book
Language:	English
Published:	Irvington-on-Hudson, N. Y. : Foundation for Economic Education, [1953]
Edition:	[Rev. ed. of Mainspring].
Subjects:	Liberty.