The Alan Wood Steel Company was a small, family-controlled integrated steel company. The Upper Merion & Plymouth Railroad connected all the elements of the Wood steel-making complex. The collection includes three blueprint maps showing the layout of industrial buildings at Alan Wood Steel Company and the track of the Upper Merion and Plymouth Railroad Company. Also in the collection is a stereograph featuring a blast furnace plant in Pittsburgh, Pennsylvania.

The American Iron and Steel Institute is a trade association of North American steel producers. The group’s mission includes advocating for public policy, education and innovation for the Iron and Steel Industry. The Institute was established under the leadership of Elbert H. Gary (1846-1927) in 1908, after the Panic of 1907 brought an end to industry-wide consolidations. This small collection consists of a group of stereographs by the H.C. White Company of North Bennington, Vermont showing views (including interiors and workers) of the Homestead Steel Works near Pittsburgh, Pennsylvania taken around 1907.

Floyd Hollenbeck (1920-2002) worked for Trimfit Hosiery, a Hanes Hosiery Mills Company distribution company. Hanes Hosiery Mills Company was established in 1901. Hanes was an early adoptor of manufacturing nylon hosiery, created in 1938. Hanes Hosiery Mills researched and developed seamless pantyhose by the mid-1960s. This collection contains twenty-four Hanes Hosiery Mills Company Winston-Salem manufacturing plants and office stereoviews.

The Keystone View Company was a major distributor of stereographic images. The company was founded by amateur photographer, B. L. (Benjamin Lloyd) Singley (1864-1938) in Meadville, Pennsylvania, in 1892. There are two stereographs in this collection, the first card shows "The Most Costly Docks in the Western Hemisphere, Buenos Aires, Argentina" and the second shows "Market Scene in Berkovitza, Bulgaria."

Longwood Gardens is a series of formal display gardens in Kennett Square, Pennsylvania, that was developed by Pierre S. du Pont (1870-1954) after he purchased the site from the Peirce family in 1906. In 1921 he constructed an extensive network of conservatories which contained plantings from many locales, including species from Africa and South America. This collection consists of two homemade stereographs showing different interior views of the conservatory.

The Louisiana Purchase Exposition or the St. Louis World’s Fair of 1904 as it was popularly called, was put on to celebrate the 100th anniversary of the Louisiana Purchase. Seven stereoviews show scenes from the fair.

William H. Rau (1855-1920) was a prominent Philadelphia photographer. During the 1870s and 1880s, Rau was best known for his work photographing scenic views from around the world. This is a small, artificial collection primarily consisting of Rau's stereoviews of city and countryside scenery, as well as a set of twelve images that depict a story. The glass negatives show the interiors of Rau's Philadelphia photography studio and workers. The materials date from around the 1890s to 1904.

World's Columbian Exposition, the Chicago World's Fair which was staged from May to October, 1893, commemorated 400 years since Columbus's New World arrival. These two stereographs show two different views of the lagoon area at the World's Columbian Exposition.