In this section you will find links which could be useful to collectors:
The David Rumsey Historical Map Collection has over 13,600 maps online. The collection focuses on rare 18th and 19th century North and South America maps and other cartographic materials. Historic maps of the World, Europe, Asia and Africa are also represented.
Database of old maps, an initiative of the German Research Council (DFG) - The database contains bibliographic records of printed thematic and topographic maps, navigational and celestial charts, town plans, bird´s-eye views, globes, and atlases up to 1850 (worldwide coverage), as well as facsimiles, reprints and digital forms of these maps. In June 2006 the database of old maps contained records of approx. 236,320 map titles with about 282,500 locations and links to 1,452 digital historical maps of the participating libraries.