The collection is housed in 5 boxes and organized in 10 series: Organizational Information; The Delphian Society Manuals; Special Projects; Correspondence; Bit-O-News Newsletters; Photographic Material; Publicity Clippings; Delphian Memorial Scholarship Fund; Delphian Chapters’ Scrapbooks and Houston Delphian Assembly Scrapbooks. These series document the organization’s operations, numerous social events and scholarship fund information.
The River Oaks Blossom Club collection contains material dating from the Club's inception in 1939 through 2004. The collection is divided into three series: Yearbooks, Administrative, and Photographs. The Yearbooks and Photographs are arranged chronologically. The Administrative series is arranged chronologically, then alphabetically.
This collection includes photos of Rose Club events, yearbooks that catalog membership, secretarial records and correspondence, and several scrapbooks. The majority of the materials are arranged chronologically and in the order they were received from donors.