The Charles Dudley Arnold photographic collection is composed of three parts. The first is a collection of 47 platinum print photographs showing views of the Columbian Exposition. These photos were formerly mounted in an album from the library of McKim, Mead & White, architects. This album was v.10 of a 14 volume "collection of albums of photographs, illustrations from periodicals, clippings and sketches depicting works of the firm," now in Avery Classics at AA 712 M195.