Atlapedia--Political and physical maps of countries of the world
Graphic Maps--Maps, clip art, geography facts
Xpeditions Atlas--Lots of maps in different formats from National Geographic Society. Try selecting the "basic" map with "borders off"
Outline Maps--Collection of continent/hemisphere outline maps plus various types of U.S. maps (climate, postal codes, political /social facts, physical characteristics, capitals, history).
World Factbook Country Maps--Each map prints on single page
Blank State Outline Maps--Each map has capital, indicated by star and each major city indicated with dot. Every map prints on single page.