Black and white lantern slide of Paleolithic cave paintings of dappled horses and hand prints from Pech Merle cavern.

Black and white lantern slide of a Paleolithic reindeer mural from Font-de-Guame.

Black and white lantern slide of a Paleolithic relief carving of a horse and bison from Roc de Sers Caves, France.

Black and white lantern slide of a Paleolithic rhinocerous tichorinus mural from Font-de-Guame.

Black and white lantern slide of a Paleolithic frieze of animals from Roc de Sers Caves, France.

Black and white lantern slide copy of a sketch cross-section of Amethyst Mountain in Yellowstone National Park, from an unknown source.

Black and white lantern slide of a sketch of a Paleolithic reindeer antler baton carved with stag heads from Laugerie-Haute.

Black and white lantern slide of a sketch of Paleolithic bison murals from Font-de-Guame.

Black and white lantern slide of a Paleolithic drawing of a wild boar from Altamira.

Black and white lantern slide of a Paleolithic wolf head mural from Font-de-Guame.

Black and white lantern slide of a Paleolithic drawing of a wounded bison from Niaux cavern.