The collection includes slides and photographs made from plates in Choris' book, Voyage Pittoresque Autour du Monde (G420.K84C5 Extra Oversize) and Choris' second collection of lithographs, Vues et Paysages des Regions Equinoxiale (G420.K84C5 Extra Oversize). The detailed images include the inhabitants, tools, baskets, sea birds and animals and scenic views of St. George, St. Paul and St. Lawrence Islands (Pribilof Islands), the Aleutians, Kamchatka Peninsula, Kotzebue Sound, Unalaska. The slides are identical to [some of] the photographs.

Photos correspond with plates from two section of the Choris atlas(G420.K84C5 Extra Oversize): Kamtchatka, le Golfe de Kotzebue. Terre de Tchouktchis Iles Aléoutiens