Francia.
FRANCIA Liste web, istituzioni, associazioni ed approfodimenti di siti rupestri. http://www.chez.com/sfes/ http://www.culture.gouv.fr/public/mistral/merimee_fr?ACTION=RETROUVER_TITLE&LEVEL=1&GRP=0&REQ=%28%28abri%20troglodytique%29%20%3aDENO%20%29&USRNAME=nobody&USRPWD=4%24%2534P&SPEC=1&FIELD_98=DENO&VALUE_98=abri%20troglodytique&SYN=1&IMAGE_ONLY=&MAX1=1&MAX2=1&MAX3=100&DOM=Tous http://books.google.it/books?id=gfhrqdxI1S0C&pg=PA46&lpg=PA46&dq=maison+troglodytique+den%C3%A9&source=bl&ots=G0EgAbiJOO&sig=l2_rLR-c8Bt_uXA4zwsza0EnCUM&hl=it&ei=_futS8nfK4GC_Qa6p5y3Dw&sa=X&oi=book_result&ct=result&resnum=9&ved=0CCsQ6AEwCDgK#v=onepage&q&f=false http://rupestre.free.fr/francais/monuments.php http://www.catp-asso.org/web/sr3-historique_des_troglos.html http://hades.troglodyte.free.fr/anjou.htm#habitat http://www.ocra.org/ Una collezione di foto…