Thomas Alexander Matthews
University of Iowa. Institute of Public Affairs.
Don W. Ownby
Virginia Municipal League.
Book Publishing Company.
Brazil. Serviço Nacional dos Municípios.
Unknown Author
Melvin B. Hill
W.H. Anderson Company
Arthur Lawrence Willson
Charles S. Rhyne
Local Government Consultants.
United States. Civil Aeronautics Administration
Nova Scotia. Community Planning Division.
Municipal Research and Services Center of Washington
T. William Patterson
United States. Department of Commerce. Advisory Committee on City Planning and Zoning