This sub-series consists of varied materials including maps, event programs, newspaper clippings, travel itineraries, and other souvenirs collected by Helen to commemorate events, experiences, or places visited throughout her life with Wilder. This sub-series includes materials collection by Helen from her service in the war, her life in England, her travels with Wilder, and her varied social activities in Montreal. This sub-series also contains Helen’s detailed family chronicle spanning the years 1921-1963, and a biographical sketch of Wilder, written in 1956.