SCHWARTZ, V. Illinois State University Map Collection. Cartographic Perspectives, [S. l.], n. 25, p. 33–34, 1996. DOI: 10.14714/CP25.740. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp25-schwartz-bulletin. Acesso em: 14 aug. 2024.