The record group contains material created and curated by the University of Maine's Alpha Beta Chapter of Omicron Nu. The records include copies of newsletters, chapter officer packets from conclaves, handbooks, material related to events, details of scholarships, meeting minutes, member communications, reports, chapter financial information, membership lists and cards, and photographs of members.

This collection reflects the history of the School of Nursing at Eastern Maine General Hospital/Eastern Maine Medical Center from its beginning. Included are photographs, yearbooks, scrapbooks, correspondence, artifacts, etc. concerning the School of Nursing and its alumni. Rules, curricula, administrative papers, student progress reports and early corporate records are also included.

The Earl Green collection consists of papers of Dr. Earl Green and his wife and associate, Margaret C. Green. Included are personal papers from graduate school, teaching papers from Ohio State, research materials from Jackson Lab, and before, Jackson Lab business papers, and reprints of articles by Jackson Lab's staff and others on genetics.

The records and papers of the National Honor Society of Phi Kappa Phi, a national honorary fraternity founded at the University of Maine. Papers include records from the national office, the board of directors, the "Journal", and records of all of the chapters. Future additions to the collection are anticipated.