This collection contains correspondence, photographs, journals, sketchbooks, memorabilia, and other items documenting Mary Williams Crozier and Brigadier General William Crozier's life and travels in the late 19th and early 20th centuries. Topics covered include social life, politics, and travel in Washington, D.C., New England, Europe, and Asia. There is substantial correspondence among members of the Williams and Crozier families, and from Alice Isaacs, Countess of Reading, during the time her husband was Viceroy of India. Also of note are Mary's travel journals and a photograph album covering the Crozier's years in Asia.