. "United States Holocaust Memorial Museum Collection, Gift of Roy B. Wellerson This gift is made in memory of his wife Dorrit Wasservogel Wellerson\n\nDorrit Wassevogel married Roy Wellerson in 1957. After Dorrit’s death in 2012, her husband discovered all the materials in a box in her closet. Collection donated to the United States Holocaust Memorial Museum in 2015 by Roy Wellerson."@en . .