LCMS. Concordia Retirement and Welfare Plans (Worker Benefit Plans), Collection ID-0108. Concordia Historical Institute.
LCMS. Concordia Retirement and Welfare Plans (Worker Benefit Plans), Collection ID-0108. Concordia Historical Institute. https://concordiahistoricalinstitute.libraryhost.com/repositories/2/resources/2056 Accessed April 28, 2025.
