Three printed histories of the horticultural society a) an 8-page history for the period 1926-1955 b) an 18-page history by Donna Thompson for the Indian Head History Book (1984) c) a 4-page history by Donna Thompson prepared for the horticultural society's 85th anniversary celebration, presented at the May 7, 2011 Blossom Time Tea at the Memorial Hall.
Collection of notes, minutes and correspondence from the horticultural society's president Jim Elliott, which was turned over to the incoming president, Gordon Howe