One periodical entitled, "Mennonite Family History," Volume XII, Number 1, January 1993.  This publication was probably kept by Archivist, Ferne Baldwin.  A special note is made about the article, "The Dauphin County, Pennsylvania, Cassel Family," by Mary Cassel Case. This article traces the ancestors of Benjamin and Maria Cassel, who were married in Montgomery County, Ohio, 1861, who both had the surname "Cassel."