* Brug, John F., Fredrich II, Edward C., Schuetze, Armin W., <cite>WELS and Other Lutherans</cite>. Milwaukee: Northwestern Publishing House, 1995. ISBN 0-8100-0543-3.<br> | * Brug, John F., Fredrich II, Edward C., Schuetze, Armin W., <cite>WELS and Other Lutherans</cite>. Milwaukee: Northwestern Publishing House, 1995. ISBN 0-8100-0543-3.<br> |