David Rumsey Historical Map Collection The David Rumsey Historical Map Collection focuses on rare 18th and 19th century North and South America cartographic history materials. Historic maps of the World, Europe, Asia and Africa are also represented.
Ancient Cartography Images and explanatory notes on ancient (600BC-400AD) cartographic techniques
Medieval history of maps Images and explanatory notes on developments in the field of mapping science during 400AD- 1400AD
History of Mapping the Civil War Reproduced from Civil War Maps: An Annotated List of Maps and Atlases in the Library of Congress compiled by Richard W. Stephenson, the link provides an insight on the mapping actvity during the The American Civil War