(1890). Catholic Educational Exhibit, World's Columbian Exposition, Chicago, 1893. Chicago.
Chicago-referens (17:e uppl.)Catholic Educational Exhibit, World's Columbian Exposition, Chicago, 1893. Chicago, 1890.
MLA-referens (8:e uppl.)Catholic Educational Exhibit, World's Columbian Exposition, Chicago, 1893. Chicago, 1890.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.