The fonds consists of records created and accumulated by Delgado since 1964. The fonds contains correspondence, personal records, photographs, slides, negatives, video recordings, audio recordings of interviews with Delgado, and files focusing on: projects (shipwreck and historic sites), expeditions, lectures and education, and writing. The fonds also focuses on Delgado’s work with the National Park Service in the US, his work with the Vancouver Maritime Museum and with the Institute for Nautical Archaeology. Records also focus on Delgado’s work on The Sea Hunters television program.

The fonds is divided into eleven series: Correspondence series (Personal correspondence sub-series, Outgoing correspondence sub-series, Incoming correspondence sub-series), Personal records series, Projects series (Miscellaneous projects sub-series, Maritime archaeology sub-series, S.S. Central America sub-series), Expeditions series, Sea Hunters series (Episode files sub-series, Photographs sub-series, Slides sub-series, Video recordings sub-series), Writing series (Books and publications sub-series, Reports sub-series, Correspondence sub-series, Article drafts sub-series, Published articles sub-series, Publicity and reviews sub-series), Newspaper clippings series, Lectures and education series, Audio recordings series, Images series (Photographs sub-series, Titanic images sub-series, Slides sub-series), and Video recordings series.

Fonds consists of records related to theatrical productions mounted by the Tamahnous Theatre Workshop Society and general and administrative records related to the company's operations. The fonds contains scripts, stage manager's notes and directorial notes, props lists, correspondence and memoranda, contracts, budgets, touring schedules, original artwork for posters, programs, and handbills, printed posters, programs, handbills, press releases, public service announcements, and other promotional material, clippings of reviews and paid advertisements, audience surveys, drawings and photographs, negatives, audio and video cassettes and reels, accounting records and financial statements, and other records. The fonds is arranged in five series: Scripts (1971-1994); Theatrical productions (1971-1994); General and administrative files (1971-1994); and Tamahnous Theatre Workshop Society photo history (1971-1994); and Audio-visual records (1971-1994).

The fonds consist of materials that relate to Twigg’s work as a writer, publisher and co-founder of the B.C. Book Prizes in the years 1975 to 2008. The fonds is arranged in fourteen series: Correspondence, Political Campaign and Poetry of Bud Osborn, Vancouver Theatre, Television Interviews, Twigg’s Book Research, George Woodcock’s Translation of Proust, Audio Cassette Interviews, Transcripts of Interviews, Authors’ Photographs and Negatives, Special Items, B.C. Book Prizes, Miscellaneous, Prairie BookWorld Founding Records and Twigg’s Newspaper and Magazine Articles.

Materials include incoming and outgoing correspondence, taped television interviews, transcripts of television interviews, drafts of Twigg’s literary works, unpublished manuscript of George Woodcock’s translation of Proust, audio cassette interviews, transcripts of interviews, photographs, banners, awards, legal documents, financial records, notes and newspaper and magazine clippings of Twigg’s published articles.