Current-events instruction; a textbook of principles and plans, by Reginald Stevens Kimball; with chapters by Paul Klapper, Daniel C. Knowlton, Roy W. Hatch, Leonard O. Packard.Reginald Stevens. Kimball1929
A guide to county records in the Illinois Regional Archives / Roy C. Turnbaugh, Jr.Roy C. Turnbaugh1983
The Tax Burden Implications of State and Regional Government Financing of City Government Services / Roy W. Bahl and Walter Vogt.Roy W. Bahl1975
Retos e interrelaciones de la integración regionalJoaquín Roy, Roberto Domínguez Rivera & 2 more2003ES
regional lithospheric studies of the Pacific Northwest / from Ray E. Wells, Regional Coordinator, and the Cascadia Working GroupCascadia Working Group1993EN