For sites on MAP PROJECTIONS, visit:
http://www.colorado.edu/geography/gcraft/notes/mapproj/mapproj_f.html
http://www.ilstu.edu/microcam/map_projections/
http://www.geography.hunter.cuny.edu/mp/

For some word documents, click on the following:
Mercator
Mollweide
Robinson
Eckert