Includes: 1917 August 19. Autograph letter signed, Robert S. Brookings to his nephew, Robert Brookings Wallace, postmarked Washington, D.C.; 1927 January 2. RSB to nephew Robert Brookings Wallace; 1927 January 6. Letter, RSB to grandniece Kathleen, undated, but presumably enclosed in same envelope addressed to RBW, and dated January 6, 1927; Undated: Letter, to "My very dear Robert," and signed, "Mother," presumably RBW's mother.