Book: Stopp, Klaus. 1997 The Printed Birth and Baptismal Certificates of the German Americans. 1.
• Listed under Stopp 1, pp. 88-9.Book: Earnest, Russell D. & Earnest, Corinne P. 1997 Papers for Birth Dayes: Guide to the Fraktur Artists and Scriveners. 2 vols. 909.
• For more information on Speyer, see pp. 722-725.