Columbia subject headings:
Harvard subject headings:
Petroglyphs--France--Handbooks, manuals, etc.
Petroglyphs--Italy--Handbooks, manuals, etc.
Petroglyphs--Spain--Handbooks, manuals, etc.
Rock paintings--France--Handbooks, manuals, etc.
Rock paintings--Italy--Handbooks, manuals, etc.
Rock paintings--Spain--Handbooks, manuals, etc.
Princeton subject headings:
Cave paintings--France--Handbooks, manuals, etc.
Cave paintings--Italy--Handbooks, manuals, etc.
Cave paintings--Spain--Handbooks, manuals, etc.
Caves--France--Handbooks, manuals, etc.
Caves--Italy--Handbooks, manuals, etc.
Caves--Spain--Handbooks, manuals, etc.