Boom, Mattie, and Suzan Meijer. “Pemmy’s Alphabet Book: On the Power of Creativity by Women in a Japanese Concentration Camp 1942-45”. The Rijksmuseum Bulletin 71, no. 3 (September 14, 2023): 260–281. Accessed July 20, 2024. https://bulletin.rijksmuseum.nl/article/view/17722.