11. Alan Gregg as Intern at Massachusetts General Hospital Date: 22 April 1917 Genre: Photographic prints
12. Our Anabasis Creator: Gregg, Alan Date: November 1953 Publisher: Alpha Omega Alpha Genre: SpeechesArticles
13. Letter from Alan Gregg to his wife Creator: Gregg, Alan Date: 21 April 1929 Genre: Letters (correspondence)
14. Letter from Alan Gregg to his parents Creator: Gregg, Alan Date: 13 October 1917 Genre: Letters (correspondence)
15. Letter from Alan Gregg to his father Creator: Gregg, Alan Date: 28 August 1918 Genre: Letters (correspondence)
16. Letter from Arthur T. Lyman to Alan Gregg Creator: Lyman, Arthur T. Date: 17 January 1914 Genre: Letters (correspondence)