This collection (121 items) is made up of the personal correspondence of Nancy Sage and her husband, S. A. Mason (119 items), and 2 financial documents. Most items are letters that the couple wrote to each other while S. A. Mason worked away from home. He discussed aspects of his work in the lumber industry, particularly in Shippen and Columbia, Pennsylvania, and also reported local news, commented on the couple's separation, and wrote about business trips to New York City, Philadelphia, and Michigan. Several of his letters mention the transportation of logs on and along rivers. Nancy responded with news of her life in Windsor, New York, and Allegany, New York.
Nancy also received letters from her friend Darwin in Wellsboro, [Pennsylvania], and from family members in Windsor, New York, including her mother, her brother John, and her sisters Susan and Porthene. Members of the Sage family often provided family and local news. The financial documents are a receipt to Mary Goodell for her payment of $35 to the Howe Sewing Machine Company (October 1, 1872), and instructions for paying a bill owed to the Howe Machine Company on November 1, 1872.