Exhibitions--United States--History--20th century

The Frank X. Riedy photographs of the 1915 Panama-Pacific International Exposition contains 33 photographs taken by American photographer Frank Xavier Riedy (1866-1957) at the exposition held in San Francisco, California. The photographs document examples of the art, architecture, and landscaping at the exposition and also include panoramic images of the fairgrounds and the surrounding city and bay.

The Miriam E. Welliver travel journal documents this Pennsylvania school teacher's month-long, 5,100 mile automobile trip across 19 states and Canada via handwritten journal entries, black-and-white photographs, postcards, telegrams, plant specimens, pamphlets, and other miscellaneous materials.

This artificial collection comprises a variety of types of material documenting world fairs and expositions, spanning the dates between 1851 and 1967, with the bulk of the collection dating from the World's Columbian Exposition of 1893. Material consists of printed matter and ephemera, including newspapers, programs, invitations, maps, brochures, viewbooks, advertisements, stationery, contracts, bonds, trade cards, and a scrapbook; photographs and prints; and realia souvenirs.