Sub-series consists of records relating to Delgado's activities writing and books, pamphlets, and booklets. Series contains drafts and covers of books, as well some pamphlets and booklets. Also included are research records and correspondence regarding the publication of his books. A large number of the files from accrual MsC 123a contain correspondence and contracts relating to the book "Encyclopedia of underwater and maritime archaeology," for which Delgado served as editor.

Sub-series consists of records relating to various projects James Delgado worked on throughout his professional career. Records were created or compiled by Delgado through his work for the National Park Service, the Vancouver Maritime Museum, and the Institute of Nautical Archaeology. A large number of files are related to exploring shipwreck sites, court cases related to shipwreck salvage, and the nomination of shipwrecks for Historic Places status. Records include correspondence, photographs, notes, meeting agendas and minutes, newspaper clippings, journal and magazine articles, pamphlets, trip reports and itineraries, press releases, project proposals, and reports.

Sub-series consists of photographic slides created or compiled by James Delgado through his professional and personal activities. Includes slides compiled by Delgado for research, writing, and other professional activities, as well as slides created from personal family photographs. Slides depict archaeological sites Delgado has visited, shipwreck sites he has studied, historical landmarks and other sites related to his work, and photographs compiled for the use in his publications and lectures.

Sub-series consists of records created or compiled by James Delgado through his work on maritime archaeology projects, primarily projects undertaken while he worked as a historian for the National Park Service. A large number of records focus on Delgado's work on the preservation of shipwreck sites through the National Registry of Historic Places. Records include correspondence, newspaper clippings, slides and photographs, research records, and surveys of shipwrecks.

Sub-series consists of correspondence created or received by James Delgado, as well as other related records labelled "personal papers" and "personal correspondence" in the creator's original arrangement of his files. Correspondence from 1973 to 1989 focuses primarily on Delgado’s time with the San Jose Historical Landmarks Commission and the National Park Service, and correspondence from 2001 to 2009 focuses on Delgado’s time at the Vancouver Maritime Museum. Records include letters, email printouts, and cards, as well as attachments and related records such as photographs, certificates, newspaper clippings, newsletters, lecture programs, publication contracts, and writing drafts.

Sub-series consists of photographs relating to various expeditions, trips, and projects, created or compiled by James Delgado throughout his professional career. Photographs depict shipwrecks, dives, exhibits, and events at the Vancouver Maritime Museum. Records included print photographs, contact sheets, and negatives.

Sub-series contains reports written or co-authored by Delgado, primarily for university assignments and for the National Park Service. Also included are assessments of historical sites and other surveys and reports focusing on historical, archaeological or shipwreck sites.

Sub-series consists records relating to the sinking of the ship S.S. Central America in 1857, as well as records relating to the ship's salvage and the resulting court case regarding ownership of its treasure, for which Delgado served as an expert witness. Records include newspaper articles, research records, and legal documents.

Sub-series consists of James Delgado's outgoing correspondence, primarily relating to his professional activities. Correspondence from 1978 to 1991 focuses on Delgado’s time as Historian for the National Park Service, Golden Gate National Recreation Area, and includes his responses for requests for information, reports on historic sites and shipwrecks authored by Delgado, and focuses on several specific projects he undertook during his time there. Correspondence from 2004 to 2010 primarily relates to the business of the Vancouver Maritime Museum.

Sub-series contains copies of articles written by Delgado published in magazines, newspapers, scholarly journals and newsletters. Articles relate to topics such archaeology, shipwrecks, San Francisco history, and Delgado's work for the National Park Service.

Sub-series contains correspondence relating to Delgado's writing activities, including the publication of books and articles. Also contains some correspondence relating to projects Delgado participated in, such as the Sutro Heights Park and USS Mississinewa projects.

Sub-series consists of James Delgado's incoming correspondence, primarily relating to his professional activities. Records span Delgado's time working with the National Park Service, the National Maritime Initiative, the Vancouver Maritime Museum, and the Institute of Nautical Archaeology, and relate to administrative matters at these institutions, as well as events he attended and projects he worked on. Correspondence relating to shipwreck and historic site projects includes expedition reports, itineraries, and research records. Correspondence relating to Delgado's writing projects focuses on the publication of books and articles, and includes some copies of articles written by Delgado, advertisements for his books, and book reviews. Sub-series also contains some correspondence relating to the television program "The Sea Hunters." Records include letters, email and fax printouts, and greeting cards, as well as attachments and related records such as newsletters, certificates, newspaper clippings, and magazine articles.

Sub-series contains several unpublished drafts of articles written by Delgado relating to historical events such as the Cuban Missile Crisis and the September 11, 2001 attack.

Sub-series contains records relating to reviews and publicity records for various books written by James Delgado, as well as some records relating to Delgado's reviews of the work of others. Records include correspondence (primarily with publishers), newspaper clippings, web page printouts, newsletters, and journals.

Sub-series contains incoming and outgoing correspondence between James Delgado, Eco-Nova Multimedia Productions, and others involved with the production of 'The Sea Hunters' television series. Also included are newspaper clippings and articles written by Delgado regarding episodes or their subject matter, research records, records relating to and ideas for episodes, and travel and filming itineraries.

Sub-series contains videocassettes of episodes of "The Sea Hunters," including the final cuts of episodes intended for broadcast, master tapes, and clips, as well as videocassettes for press kits.

Sub-series consists of a print of a drawing of the Titanic, as well as colour photographs, printed from digital images onto non-photographic paper, of underwater images from the Titanic and artefacts recovered from the Titanic.

Sub-series contains photographs, contact sheets, and negatives compiled by James Delgado relating to the television series "The Sea Hunters." Photographs depict Delgado and the "Sea Hunters" team members during the planning, research, and filming of episodes.

Sub-series contains slides compiled by James Delgado during the filming of "The Sea Hunters." Slides relate to several locations, shipwrecks, and events featured in the series, including Vrouw Maria (Finland), Fox (Greenland), USS Akron, Dresden (Chile), and D-day.