The collection includes minutes of the Aftenro Society, some written in Norwegian; historical logs; scrapbooks; correspondence; annual reports; and photographs.  It also includes one audiotape of Mrs. Arnold Berg, Aftenro historian, recounting the history of Aftenro Society.

The collection contains articles of incorporation; by-laws; updated mission statements; organizational policies and procedures; board minutes and accompanying materials including some financial statements, 1990-2009; newsletters, 1989-1994; letters; news clippings; and phone/drop-in logs.

The collection contains minutes; correspondence; materials collected at annual state conventions; publications, including news clippings, newsletters, anniversary report, and forget-me-not day publications; and membership cards.

The collection contains administrative records, financial records, and historical records.

The collection contains constitution and by-laws; minutes, 1898-1930; scrapbooks, 1898-1982; yearbooks, 1910-1912; pamphlets and serials; membership directories; conference programs; and organizational histories. Some of the scrapbooks include photographs.