Rebecca Austin was the eldest daughter of William Liseter Austin, president of Baldwin Locomotive Works. They were a wealthy family with a well-known farm and stables. Her sister, Jean, married a DuPont. This small collection records activities of a wealthy family. Included are a diary of a trip to Cuba, February 1904 with her sister, Mabel, accompanying her father who went for business and a fIve-year diary, 1905-1909, almost completely full. She records trips abroad, horse competitions, family and Rosemont activities. Also included are a Tiffany salt spoon, a lock of hair from William L. Austin, Jr., 26 postcards, and ca. 44 other pieces of ephemera including letters, greeting cards, brochures, memorabilia from travels, invitation to a reception for graduates of the Sheffield Scientific School, Yale University 1919, invitation to the wedding breakfast of Jean Austin and Willam du Pont, Jr. January 1.