At the 1893 World’s Fair, the Commonwealth of Massachusetts displayed “an ingenious map prepared for the World's Columbian Exposition at Chicago, showing at a glance which of the towns in the state have free public libraries and the number of volumes in each library at the beginning of 1893,” according to the March 1894 issue of The Library Journal. The "Free public libraries of Massachusetts" map by George H. Bartlett was on display at the 1893 World's Fair., [...]