Correspondence-India 1965-1966

General Correspondence 1960-1973

Internal System Fundamentals 1955

Inter-Varsity Christian Fellowship 1971

Lawrence Hall of Science Mechanics Letter 1950-1973

Mohanty and Moyer 1971

Mu- Abs. Kaplan 1967

National Council for Protestant Church 1946

Personal letters 1966-1973

π-p=π°π°n 1967

π+ π- Lifetime Comparisons 1967

Seattle Pacific College 1967

University of California 1972-1973

University of California, Berkeley 1972

UCB-Lawrence Laboratory-Correspondence 1972

Notes on Progress undated

University of Oregon 1970-1971

Teaching Materials 1936-1961

Teaching Materials 1962-1973

Writings 1947-1970

Conference Materials 1950-1970

Professional Association 1970

Subject Files 1936-1973

Subject Files 1937-1973

Biographical Materials 1861-1973

Lifetime Scrapbook 1970

Daily Logs 1947-1973

Binders 1957-1958