Abstract: In April, 1937, Isabel Anderson donated the major portion of her husband’s bonsai collection (30 plants) to the Arnold Arboretum, along with the funds necessary to build a shade house for their display on the grounds of the Bussey Institution. In 1949, following her death, the remaining plants were donated to the Arboretum. While the majority of the holding is photographs that document the history of individual plants and the collection, the Records of the Larz Anderson Bonsai Collection...