Admitted to Missouri bar, 1939. Assistant to librarian Columbia, 1939-1941. Librarian Hays, Podell & Shulman, New York City, 1942.
Assistant professor of law, law librarian Ohio State University, 1947-1950, associate professor of law, law librarian, 1950-1954, professor of law, law librarian, 1954-1959, professor of law, director research services, since 1959. Secretary OPA, 1942-1947. Consultant Office Economics Stabilization, 1951, Library of Congress, 1959-1964, State Department, 1966-1972.
Consultant Organisation Central American States, 1970-1972. Recipient certificate merit, 1969. Trustee, Ohio Legal Center.
Board directors Ohio Library Foundation.
Fellow Ohio Bar Foundation. Member International Association Philosophy of Law and Social Philosophy, American Arbitration Association (nat. panel of arbitrators), Ohio Association Law Libraries (president 1949-1951), American, Ohio bar associations, American Society Political and Legal Philosophy, American Association Law Libraries (president 1958-1959), Ohio library association, American Association University Professors (secretary Ohio chapter 1953-1955), Order of Coif.