Persuasive cartography is defined as "maps intended primarily to reinforce opinions or beliefs - to send or reinforce messages - rather than to communicate objective geographic information." P.J. Mode has collected such maps for years, and recently donated his collection to Cornell University's library. On this website, courtesy of Cornell University Library's Digital Collections, visitors can explore this fascinating collection, which includes over 800 maps, and learn more about how maps have been used throughout history for a variety of political, cultural, and satirical purposes. Visitors may want to start by checking out the the About section, which includes an overview of the collection and a video recording of a lecture P.J. Mode gave in May of 2016 to the Grolier Club of New York and the New York Map Society. These resources provide insight into the history and evolution of persuasive maps. From here, visitors can perhaps best browse this collection by subject. Subjects include Advertising and Promotion, Conduct of Life, Ethnocentrism, and Imperialism, to name just a few.