The DeKalb County, Indiana Genealogy Society (http://www.rootsweb.com/~indkigs/main_page.html) has published Wittenburg Church Record Book 1843-1938 (400+ pages, softbound). Compiled by Aneita Allen and indexed by Roselyn Wells, the book is about the now-defunct Wittenburg Lutheran Church that was in Troy Township, DeKalb County, Indiana. It was organized in 1843 and it eventually disbanded in 1940. This book contains a membership roll, obituaries of some members, a list of ministers, Sunday school records, and some early baptism, marriage and death records.
The book costs $20 plus $4 shipping & handling. Make checks payable to DeKalb County, Indiana Genealogy Society and mail to: DeKalb County, Indiana Genealogy Society, P.O Box 6085, Auburn IN 46706.