Koopman, William J.
http://danishamericanarchive.net:2524/DigitalArchive/repository/archive/collections-in-the-stacks/vig-996-vig-family-collection/family-sheets/family-sheets-kloo-koye/koopman-william-j/view
http://danishamericanarchive.net:2524/DigitalArchive/repository/archive/collections-in-the-stacks/vig-996-vig-family-collection/family-sheets/family-sheets-kloo-koye/koopman-william-j/@@download/image/Vig_Families_4989.jpg
Koopman, William J.
