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.