International Legal Fraternity, Phi Delta Phi, 1952
American Bar Association (ABA), 1956
ABA International and Comparative Law Section, 1956
State Bar of Arizona, Section on Indian Law, 1957
Rocky Mountain Mineral Law Institute, 1958
Inter-American Bar Association, 1959
Practicing Law Institute -- New York, 1959
The American Society of International Law, 1960
Arizona State Bar, Section on Continuing Legal Education, 1963
State Bar of Arizona, Section on Workman's Compensation
The American Trial Lawyers Association, 1966
State Bar of Arizona, Legal Aid, 1967
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