Correspondence – personal and family re: his mother's death and estate; father-in-law's cast lists from 1903 and 1908 productions at HM Theatre; Mortgage; Retirement Box 2
Folder of Manuscript Music of "Singing Commercials" in Jack's hand - list includes 31 titles e.g. Bonlac, Vitex, Cadburys, Rivella, Tuckerbox; Includes typewritten O'Brien radio division flimsy typewritten lyrics, plus part copies for musicians in Jack's hand. Full scores in Jack's hand. Some have first draft and fair copy with fully worked out accompaniment e.g. "In My Chevrolet" others are vocal line and sketch only. Box 1
Gundagai: Its History, verse and song, (no date) – inscription: Presented to Mr Jack O'Hagan by The Rotary Club of Gundagai on the occasion of his visit for "Back to Gundagai" week, 1956 Box 4
Happy Memories: On the road to Gundagai, Cliff Butcher (no date) – inscription: To Keith, all the best wishes, Cliff Butcher Box 4