Collection summary derived from "Guidebook to Manuscripts", 1969: The Gilcrease Cartographic Collection was initially created as a storage designation for maps found in the manuscript collections and for the few original maps purchased during the life of Thomas Gilcrease. From the collections initial humble beginnings, it has continued to grow into am official map collection through additional gifts and purchases. The collection includes atlases, hand drawn maps from the manuscript collections, photocopies and Photostats of maps, single sheet maps from atlas's and modern reproductions. Significant maps of interest are Spanish Portolan maps of the Caribbean, Gulf of Mexico and Cuba, Map of the British Empire in America, Draught of Cherokee Country, Carte de la Louisiana, Map of Survey Route to the Pacific Railroad, Military Map of the U.S. and Indian Territory (Oklahoma). Significant cartographers within the collection include: Abraham Ortelius, Theodore de Bry, Jan Blaeu, Thomas Jefferys, Alexander Humboldt.