Norbert CASTERET (1897-1987) speleologist. 5 autograph manuscripts, [circa 1940; 12 1/2 pages in-4 (mostly on the back of typescripts or mimeographed texts). - Les Grottes ornées des Pyrénées, on caves decorated with cave paintings (Bédeilhac, le Mas d'Azil, le Portel, Labastide, le Tuc d'Audoubert, etc.). - Prehistoric art. - The strangeness of prehistoric human figurations (extract from Dix ans sous terre). - Prehistoric magic. - Primitive Man. Attached is a set of 33 letters addressed to him, most of them L.A.S., (with 8 autograph drafts of replies), 1931-1980: abbé Pierre Baillard, René Béhaine, Alain Bombard (reply), Louis de Broglie (on visiting card), Marc Cambus (reply), Bertrand Caubère, Laurent de Celsius, Jacques Chabert (reply), Paul Clamouse de La Touche (2), Georges Claretie, Richard W. Fowler (from Oxford), Henri Frossard, Gaston Giscard, Werner Heybrock (from Hamburg), Marcel Jullian (3, 2 replies), abbé Bernard Lacroix, général A. Lauzanne, Raymond Marmongel, Pierre and Jean-Jacques Nathan (reply), Henri Renard, Samivel (reply), Gaston Sorbets, Madeleine Thibaudeau, etc.