Escher, Charles M.
http://danishamericanarchive.net:2524/DigitalArchive/repository/archive/collections-in-the-stacks/vig-996-vig-family-collection/family-sheets/family-sheets-e/escher-charles-m/view
http://danishamericanarchive.net:2524/DigitalArchive/repository/archive/collections-in-the-stacks/vig-996-vig-family-collection/family-sheets/family-sheets-e/escher-charles-m/@@download/image/Vig_Families_2515.jpg
Escher, Charles M.