 The collection of the Kawartha branch of the Ontario Genealogical Society is also located at DelaFosse, offering personal research assistance on Thursday afternoons.This branch library is named in honour of Frederick Montague delaFosse, who was the Chief Librarian of Peterborough Public Library from 1910 to 1946.The Main Library at 345 Aylmer St. N. opened on Tuesday, September 2, 1980.