William van Royen, Nels A. Bengtson ; Donald J. Patton and Walter Deshler, collaborators

Prentice-Hall c1964 5th ed

Available at 27 libraries

by William van Royen in cooperation with Bureau of Agricultural Economics, U.S. Department of Agriculture

Prentice-Hall, for the University of Maryland 1954 Atlas of the world's resources / University of Maryland, Department of Geography, College of Business and Public Administration v. 1

Available at 25 libraries

by William van Royen, Oliver Bowles ; in collaboration with Elmer W. Pehrson

Prentice-Hall, for the University of Maryland 1952 Atlas of the world's resources / University of Maryland, Department of Geography, College of Business and Public Administration vol. 2

Available at 26 libraries

by Nels A. Bengtson and Willem Van Royen

Prentice-Hall 1942 Rev. ed Prentice-Hall geography series

Available at 30 libraries