Knowlton, I C.

Annals of Calais, Maine, and St. Stephen, New Brunswick Calais : J.A. Sears, 1875. 208 pages

Brome county historical society, Knowlton, Que

Index of books and pamphlets containing information concerning the early history and settlers in the Eastern townships… Knowlton : the society, 1949. 83 pages.

Yoakam, Gerald A.

Reading to learn / by Gerald A. Yoakam, William C. Bagley and Philip A. Knowlton.  New York : MacMillan Canada, 1935. 2 v. ; illustrations ; 19 cm.

Knowlton Supply Co. (Halifax, Nova Scotia)

The Knowlton Supply Company school materials, teacher's supplies, publishers Halifax : the Co., 1955. 80 pages : illustrations; 23 cm.