Women's honorary society for unaffiliated women students at the University of Michigan established in 1905, one of several Women's honorary societies, including Scroll and Wyvern. Records include minutes, 1916-1927 and 1951-1962, scrapbooks, 1941-1954, 1965-1968, and miscellaneous records and membership information. Scrapbooks include clippings, wartime women's activities during World War II, invitations, membership, and photographs of "tapping" and initiation. Records of Scroll and Wyvern are included in the scrapbooks as is the Assembly Association.
The Senior Society records include minutes, 1916-1927 and 1951-1962, scrapbooks, 1941-1954, 1965-1968, and miscellaneous records and membership information. the records are organized into three series: Organizational Records, Scrapbooks, and Artifacts. Content from the related women's honorary societies Scroll and Wyvern is also present in these records.