1. The oak tree house, Title: The oak tree house, Date: 1936. Author: Gibson, Katharine, 1893- Collecting Area: Rare Books Call number: YH G449 O1 1936 LOCAL
2. The oak tree house, Title: The oak tree house, Date: 1936. Author: Gibson, Katharine, 1893- Collecting Area: Rare Books Call number: YH G449 O1 1955 LOCAL