Souvenir of Lewis and Clark Exposition. Denver: Thayer, 1905. Oblong 4o. 20 mounted photographic plates. Original wrappers. -- Souvenir View Book of the Lewis and Clark Centennial Exposition and Oriental Fair. Portland: Reid, 1905. Oblong 4o. Photographic illustrations. Original wrappers. -- Lewis and Clark Centennial Exposition. Portland: Official Photographic Co., 1905. Oblong 4o. Mounted photographic plates. Original wrappers. -- Lewis and Clark Exposition. Portland: Reid, 1905. Oblong 4o. Mounted photographic illustrations. Original wrappers. [With:] 6 guides to the exposition. (10)