Hello to all,
and thanks very much for your replies to my question about vmap0 and dcw copyrights. To resume these replies, it appears that actually only Vmap0 is free of copyright, DCW being copyrighted by Esri. The only drawback is that a part of Vmap0 is also copyrighted by Esri, the boundaries layers (and particularly the regional boundaries layers). See the text below, which is contained inside the readme1 file that you can find inside the v0eur repertory.
I have found two other sources for free world data :
http://www.iscgm.org (for non profit organizations)
http://www.intramap.co.nz/atlas/freeworldmaps.html (I haven't checked, but according to the adress, it should be quite interesting).
Thanks for all,
Ben.
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