Ancestry.com. The First Unitarian Church of Buffalo [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.Original data: The First Unitarian Church of Buffalo : its history and progress : Rev. Dr. Hosmer's quarter centennial discourses, the parish -- the pulpit : an account of the quarter centennial celebration on Wednesday evening, October 16th, 1861.. Buffalo N.Y.: Franklin Steam Print. House, 1861.