网站简介：General information, GIS tutorial, and links to other online resources.
网站简介：General and GIS information, collection policy highlights, and links to other map sites.
网站简介：General information and collection guide.
网站简介：Library information, collection descriptions, online atlas of Minnesota, and links to map sites..
网站简介：General and collection information.
网站简介：General information and collection descriptions with sample images.
网站简介：Collection list and overview, and links to map resources.
网站简介：200 period maps and globes from 16th to 19th c., including world, continent, and city maps. Majority of maps are New World. Includes Lada-Mocarski, Cross, and Lanman map collections.
网站简介：General information and detailed collection lists.
网站简介：Period maps and atlases from 1507 to 1805 focusing on the exploration of the central and western US.
网站简介：Western Hemisphere map; historical information with scrolling and zooming map viewer.
网站简介：Research guide, FAQ, and links to other map information.
网站简介：General information and collection description.
网站简介：Information and holdings list for Iowa maps.
网站简介：A Perl based rendering engine that takes a .osm file and a style file, and generates SVG output. Includes software download, list of features, usage examples, and style file syntax.
网站简介：UK map showing estimates of postcode areas based on three free sources of data: OpenStreetMap, Free-the-Postcode, and NPE Maps.
网站简介：An online flash-based OpenStreetMap editing client. Site provides documentation, tutorials, FAQs, and development information.
网站简介：Collection description, online maps and GIS data focusing on Boston and Massachusetts.
网站简介：Includes hundreds of Florida maps and detail views from 1584 to the present.
网站简介：Online images of about 800 historical maps spanning nearly 500 years. Worldwide coverage focusing on Georgia and the surrounding region.
网站简介：Collection guide and links to online maps.
网站简介：Freeware application from UCL designed to make thematic mapping using Google Maps simpler. Download, sample maps, documentation and a worked example.
网站简介：General information, collection lists, map and GIS links.
网站简介：Collection policy and guide, many scalable selected online index and historical maps, and map links.
网站简介：Research affiliations: Association of Research Libraries, Center for Research Libraries.