General Land Office Plat Maps @ the Library
This hand-drawn map collection of Oklahoma in the late 1800's and early 1900's as well as maps for Arkansas, Kansas and Missouri from the mid 1800’s are housed at Central Library. To view or utilize these maps, please speak with a librarian in the Research Center of the Central Library.

Topographic Maps @ the Library
The Research Center at the Central Library houses in its map collection several series of USGS topographic maps. Topographic maps (also called topo maps) are maps that illustrate the lay of the land. With the use of contour lines, these maps effectively depict hills, mountains, plains, and valleys.

The World Factbook
Published annually by Central Intelligence Agency (CIA) this online resources is an easy tool to find statistical data of countries around the world. Includes maps and flags of the world.