Old Epitaphs: Leidig’s Burying Ground
By George S. Nyce.
Henry S. Dotterer, editor, The Perkiomen Region, Past and Present (Philadelphia: Perkiomen Publishing Company, 1895), pages 8-9, 29, 54-57.

Leydich Burying Ground
By John R. Tallis
The Perkiomen Region (1921) pp. 145-151.