Series I: Catalogued Correspondence
Box 1
Brunschvicg, Leon
Box 1
Butler, Nicholas Murray
Box 1
Coffin, Henry Sloane
Box 1
Cohen, Morris Raphael
Box 1
Hellman, George Sidney
Box 1
Hocking, William Ernest
Box 1
Massignon, Louis
Box 1
Niebuhr, Reinhold
Box 1
Roosevelt, Eleanor
Box 1
Spranger, Eduard
Box 1
Russell, Richard Brevard
Series II: Uncataloged Correspondence and Other Materials
Box 1
Professional Correspondence, 1927-1966
Re: philosophy and religion, chiefly Columbia University files; 3 folders deal with Louis Massignon's lecture tour in 1952
Box 2
Professional Correspondence, continued, 1960-1972
Box 2
Family and Personal Correspondence, circa 1920-1972
Box 2
Documents
Box 2
Memorabilia
Box 2
Photographs
Series III: Academic Writings
mss., typescripts, ms. notes and some related correspondence relating to Friess' teaching, research, publishing, and other activities and associations at Columbia University.
Series IV: Columbia University Course Materials
Lecture notes, miscellaneous notes, outlines, bibliographies, and papers submitted by students.
Series V: Columbia University
Series VI: Organizations
Box 15
American Council of Learned Societies--Committee on the History of Religion, 1949-1950
Correspondence, reports, memoranda, chiefly relating to Wing-Tsit Chan lectures.
Box 15
Society for the Scientific Study of Religion, 1957-1971
Reports and related materials.
Society for Ethical Culture
Box 19
Correspondence, 1933-1974
Friess' files as a leader of the New York Society for Ethical Culture, with related reports, memoranda and other materials.
Box 20
Documents, A-Z
Reports, memoranda, minutes and other records of the New York Society, chiefly Fellowship Seminars.
Writings
Writings, chiefly by Friess, including mss., ms. notes, typescripts and related printed materials; notes and texts for addresses, wedding ceremonies and funeral services.
Manuscripts by Friess and Others
Manuscripts by Friess
American Ethical Union
Series VII: Manuscripts by Others
Typescipts and mimeographed texts of writings on philosophy, religion, and ethical culture.
Series VIII: Felix Adler Biography
Manuscripts, typescripts and ms. notes for Friess' projected biography of Felix Adler; also included are mss. and notes for other writings by Friess on Adler.
Series IX: Printed Materials
Society for Ethical Culture & American Ethical Union
Articles, pamphlets and printed ephemera published by or relating to SEC & AEU.
Academic Writings
Articles, pamphlets, reprints, etc
Religion, Philosophy, Political Science, Social Science
Books, journal issues, pamphlets and reprints; some by Friess; some inscribed to him.