1. Act of 21 April 1902, ch 563, 32 Statutes 164–167; and Act of 24 August 1912, ch 389 37 Statutes 557–559. See also Fuller W.E.
2. RFD: The Changing Face of Rural America,1964
3. Population and Community in Rural America;Garkovich,1989
4. Absentee Ownership and Business Enterprise in Recent Times: The Case of America;Veblen,1923
5. Sears, Roebuck, USA: The Great American Catalog Store and How it Grew;Weil,1977