Maps are symbols of power, politics and expressive imaginings. . .
Geographical sources are invaluable in reference.
Map librarians are very enthusiastic about their profession. The WAML page also lists the association's publications, which give an indication of their interests and concerns. Oxford University Press Rand McNally Co. C. S. Hammond Co. Dr. Paul J. Goode Baedeker Definitions Cartography. The art of map-making.