Do próprio site: "- Relief shown by shading. - Annotated in red ink. - "The international Bureau of the American Republics assumes no responsibility for correctness of boundary lines on this map. - Copy imperfect: Minor losses along fold lines and mounted on cloth. - In blue crayon on verso: Brazil (1905) no. 10816." Além disso vale notar as seguintes marcas de proveniencia: "Map Division. JAN 15 1914 Library of Congress" e "C.&G. SURVEY, LIBRARY AND ARCHIVES. OCT 4 1906 Map. No.10816" E que tem 3 cópias físicas deste mapa lá.