Material sobre uso do Google Maps
http://www.google.com/apis/maps/
http://www.google.com/apis/maps/documentation/
http://www.google.com/apis/maps/faq.html
http://groups.google.com/group/Google-Maps-API

http://www.developer.com/java/web/article.php/10935_3528381_1
http://www.xml.com/pub/a/2005/08/10/google-maps.html
http://www.map-server.com/index.html
http://www.map-server.com/googlemaps/overview.html
http://www.map-server.com/googlemaps/tutorial.html
http://www.map-server.com/googlemaps/tutorial_writing.html
http://www.map-server.com/googlemaps/tutorial_polylines.html

Sobre o Google Maps
http://www.google.com/help/maps/tour/
http://en.wikipedia.org/wiki/Google_Maps

Exemplos desenvolvidos sobre o Google Maps API
http://www.lifehack.org/articles/lifehack/essential-resources-for-google-maps.html
http://www.lifehacker.com/software/search-engines/google-map-applications-roundup-111996.php
http://www.housingmaps.com/
http://www.chicagocrime.org/
http://www.celebrity-maps.com/
http://www.thomasscott.net/tripods/

Bibliotecas de desenvolvimento para o Google Maps
http://www.system7designs.com/codebase (PHP)
http://www.codeproject.com/aspnet/LatLaysFlat-Part1.asp
http://www.codeproject.com/aspnet/LatLaysFlat-Part2.asp