- Islandora Repository
- Text Collection
- Henry Howard Houston, II Papers
- Price, Jr., W.G., Major General- Letter to Henry Howard Houston, II-1918 February 15
- Receipt from Memorial Grove Committee
- Suresnes American Cemetery
- Thompson, Hank B.- Letter to Henry Howard Houston, II-1917 November 11
- Trotter, Betty- Letter to Henry Howard Houston, II-1918 July 29
- United States War Department Correspondence- 1916 October 28
- United States War Department Correspondence-1918 January 24
- United States War Department Correspondence-1918 March 26
- United States War Department Correspondence-1918 March 30
- University of Penn Commencement Pamphlet
- University of Pennsylvania-Letter to Henry Howard Houston, II-1916 February 15
- Whitaker, Samuel-Letter to Henry Howard Houston II-1917 May 11
