Directories

Maps from start4all - Collection of map and cartography related links.
http://maps.start4all.com/

Maps on Other Web Sites - Categorized directory of several hundred links to online maps from the Perry-Castaneda Library at the University of Texas.
http://www.lib.utexas.edu/maps/map_sites/map_sites.html

Alexandria Digital Library - Map related websites sorted by subject.
http://www.alexandria.ucsb.edu/other-sites/subj_page.html

Bodleian Library Map Room - About one hundred map links, divided by category.
http://www.bodley.ox.ac.uk/guides/maps/maplinks.htm

About.com: Maps - Several links to map-related sites, sorted into categories such as cartography and historic maps.
http://geography.about.com/od/findmaps/

All the World's Maps - Provides access to national maps and maps pinpointing major cities for countries.
http://www.embassyworld.com/maps/maps.html

Oddens' Bookmarks - A search engine and directory of sites with and about maps.
http://oddens.geog.uu.nl/index.php

StreetLookup.Com - Online maps, directions, address search, road conditions, and other information and/or links.
http://www.streetlookup.com/

Links 4 Maps - Link directory of map libraries and societies, antique maps as well as world, regional, travel, historical and other map resources.
http://www.links4maps.com/