Letter from Arthur T. Lyman to Alan Gregg (September 4, 1911)
Letter from Arthur T. Lyman to Alan Gregg (January 17, 1914)
Letter from Harvey Cushing to Alan Gregg (February 14, 1916)
Letter from Alan Gregg to his parents (October 13, 1917)
Letter from Alan Gregg to his father (November 4, 1917)
Letter from Alan Gregg to his father (August 28, 1918)
Letter from Wickliffe Rose to Alan Gregg (February 19, 1919)
Letter from Alan Gregg to his mother [17 June 1920?]
Letter from Alan Gregg to Faith and Farwell Bemis [14 June 1923?]
Letter from Richard M. Pearce to Alan Gregg (November 5, 1923)
Letter from Richard M. Pearce to Alan Gregg (January 17, 1924)
Letter from Alan Gregg to family and friends (March 25, 1924)
Letter from Richard M. Pearce to Alan Gregg (June 6, 1924)
Letter from Alan Gregg to his mother (May 22, 1925)
Letter from Alan Gregg to his wife [30 October 1925?]
Memorandum from Alan Gregg on reorganization of the Rockefeller Foundation (July 24, 1926)
Letter from Alan Gregg to Roger S. Greene (July 28, 1926)
Letter from Alan Gregg to his wife [ca. 5 December 1927]
Letter from Alan Gregg to his wife (December 6, 1927)
Letter from Alan Gregg to his wife (December 11, 1927)
Letter from Alan Gregg to his wife (December 1927)
Letter from Richard M. Pearce to Alan Gregg (February 13, 1929)
Letter from Alan Gregg to Richard M. Pearce (March 26, 1929)
Letter from Richard M. Pearce to Alan Gregg (April 10, 1929)
Letter from Alan Gregg to his wife (April 21, 1929)
Memorandum from Alan Gregg regarding medical fellowships in Europe (January 16, 1930)
Letter from Roger S. Greene to Alan Gregg (February 27, 1930)
Letter from Roger S. Greene to Alan Gregg (March 17, 1930)
Letter from Alan Gregg to Roger S. Greene (April 9, 1930)
Letter from Alan Gregg to Roger S. Greene (June 19, 1930)
Memorandum Regarding Possible Psychiatric Developments (October 3, 1930)
Letter from Alan Gregg to F. Elisabeth Crowell (October 10, 1930)
Letter from F. Elisabeth Crowell to Alan Gregg (October 17, 1930)
Letter from F. Elisabeth Crowell to Alan Gregg (October 24, 1930)
Letter from Alan Gregg to his wife (October 30, 1930)
Letter from Alan Gregg to his wife (October 30, 1930)
Letter from Roger S. Greene to Alan Gregg (November 10, 1930)
Letter from Roger S. Greene to Alan Gregg (November 21, 1930)
Letter from Alan Gregg to his wife (February 2, 1931)
Memorandum titled "Request of Tavistock Square Clinic" (March 2, 1931)
Memorandum titled "Research in Psychiatry--Maudsley Hospital" (March 3, 1931)
Letter from Alan Gregg to Hugh Crichton-Miller (March 25, 1931)
Letter from H. H. Dale to Alan Gregg (July 30, 1931)
Letter from Alan Gregg to H. H. Dale (August 17, 1931)
Memorandum regarding Gregg's visit to the University of Chicago (October 28, 1931)
Memorandum for Officers Conference (November 30, 1931)
Letter from Wilder Penfield to Alan Gregg (April 15, 1932)
Letter from Harvey Cushing to Alan Gregg (August 2, 1934)
Letter from Alan Gregg to Harvey Cushing (August 8, 1934)
Memorandum from Alan Gregg to Raymond Fosdick (November 13, 1934)
Memorandum from Alan Gregg to Raymond Fosdick (November 13, 1934)
Letter from William Palmer to Alan Gregg (June 12, 1935)
Letter from Alan Gregg to William Palmer (June 20, 1935)
Letter from Alan Gregg to David L. Edsall (January 28, 1936)
Letter from Alan Gregg to Elton Mayo (March 2, 1936)
Letter from Alan Gregg to Walter B. Cannon (March 5, 1936)
Letter from Alan Gregg to Walter B. Cannon (March 18, 1936)
Letter from Raymond Fosdick to Alan Gregg (July 29, 1936)
Letter from Leonard Colebrook to Alan Gregg (November 23, 1936)
Memorandum from Alan Gregg to Wilbur A. Sawyer (December 7, 1936)
Letter from Alan Gregg to Leonard Colebrook (March 9, 1937)
Memorandum on Queen Charlotte's Hospital (London) (March 9, 1937)
Memorandum from Alan Gregg on interviews at Yale University regarding the Institute of Human Relations [18-20 October 1937]
Letter from Charles Seymour to Alan Gregg (October 26, 1937)
Memorandum from Alan Gregg to Raymond Fosdick (November 29, 1937)
Memorandum from Alan Gregg to Raymond Fosdick regarding funding for Yale University's Institute of Human Relations (March 1938)
Letter from Alan Gregg to Mark May (April 8, 1938)
Memorandum from Alan Gregg regarding the Symposium on Mental Hygiene (June 20, 1939)
Letter from Alexander Makinsky to Alan Gregg (October 18, 1939)
Letter from Paul Webbink to Joseph H. Willits (April 6, 1940)
Memorandum from Alan Gregg to Joseph H. Willits (June 26, 1940)
Letter from C. Phillip Miller to Alan Gregg (August 7, 1940)
Memorandum from Alan Gregg regarding Rockefeller Foundation policy for 1941 (November 12, 1940)
Memorandum from Wilbur A. Sawyer to Raymond Fosdick (November 27, 1940)
Memorandum from Alan Gregg on an interview with American Library Association president Keyes D. Metcalf and Colonel Harold W. Jones of the Surgeon General's Library [ca. 26 March 1943]
Letter from Keyes D. Metcalf and Carl H. Milam to Alan Gregg (April 5, 1943)
Letter from Alan Gregg to Nathan Sinai (May 4, 1943)
Memorandum from Raymond Fosdick on social medicine (June 11, 1943)
Letter from Alan Gregg to Raymond Fosdick (July 16, 1943)
Letter from Alan Gregg to Alfred C. Kinsey (September 8, 1944)
Letter from George S. Stevenson to Alan Gregg (April 18, 1945)
Memorandum from Alan Gregg on the future of medical education in the aftermath of World War II (September 1945)
Letter from Raymond Fosdick to Alan Gregg (October 16, 1945)
Letter from Alan Gregg to Raymond Fosdick (October 27, 1945)
Letter from Alan Gregg to Clement C. Fry (March 1, 1946)
Memorandum from Alan Gregg to Raymond Fosdick (March 11, 1946)
Letter from Alan Gregg to his wife (May 27, 1946)
Letter from Alan Gregg to his wife (June 3, 1946)
Letter from Alan Gregg to Raymond Fosdick (June 11, 1946)
Letter from Jerome D. Greene to Alan Gregg (June 17, 1946)
Letter from Alan Gregg to his wife (June 22, 1946)
Letter from Raymond Fosdick to Walter W. Stewart (July 1, 1946)
Letter from Alan Gregg to R. A. Lambert (July 24, 1946)
Memorandum from Raymond Fosdick to Alan Gregg (October 21, 1946)
Memorandum from Alan Gregg to Raymond Fosdick (November 12, 1946)
Memorandum from Alan Gregg on his meeting with Alfred C. Kinsey [5-7 February 1947]
Letter from Alfred C. Kinsey to Alan Gregg (February 20, 1947)
Letter from Alan Gregg to Alfred C. Kinsey (December 19, 1947)
Memorandum from Alan Gregg to Julia M. H. Carson (January 23, 1948)
Memorandum from Alan Gregg to Chester I. Barnard (January 7, 1949)
Letter from Alan Gregg to Howard M. Kline (March 18, 1949)
Letter from Alan Gregg to William I. Myers (September 7, 1950)
Letter from Alan Gregg to Chase Mellen, Jr (December 18, 1950)
Memorandum from Alan Gregg to Chester I. Barnard [ca. 5 March 1951]
Letter from Barbara Cairns to Alan Gregg (August 5, 1952)
Letter from Rajkumari Amrit Kaur to Alan Gregg (June 18, 1953)
Letter from Alan Gregg to Rajkumari Amrit Kaur [ca. June 1953]
Letter from Herbert Hoover to Alan Gregg (October 11, 1953)
Unsent letters from Alan Gregg to Herbert Hoover (November 30, 1953)
Letter from Alan Gregg to A. Warren Stearns (December 23, 1953)
Letter from Herbert Hoover to Alan Gregg (April 13, 1954)
Letter from Chester I. Barnard to Alan Gregg (June 23, 1954)
Letter from Alan Gregg to Senator Lister Hill (February 6, 1956)
Letter from William G. Reidy to Alan Gregg (February 17, 1956)
Letter from Alan Gregg to Speaker of the House Samuel Rayburn (July 13, 1956)
Letter from Senator Lister Hill to Alan Gregg (July 17, 1956)
Letter from Senator Lister Hill to Alan Gregg (July 23, 1956)
Letter from Leonard Colebrook to Alan Gregg (February 17, 1957)
Letter from Saul Benison to Flora Rhind (February 20, 1958)