Graham, C. (1893). Portfolio of the World's Columbian Exposition to be held in Chicago, United States of America, 1893. Winters Art Litho Co..
Lua i Stíl Chicago (17ú heag.)Graham, C. Portfolio of the World's Columbian Exposition to Be Held in Chicago, United States of America, 1893. Chicago: Winters Art Litho Co., 1893.
Lua MLA (8ú heag.)Graham, C. Portfolio of the World's Columbian Exposition to Be Held in Chicago, United States of America, 1893. Winters Art Litho Co., 1893.
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