Original documents and papers generated by William J. Hammer and by various companies and individuals with whom he was associated. Includes material related to the research and inventions of Edison, Bell, Tesla, the Curies, etc.

This collection is divided into five series. The first series consists of biographical material, including notebooks 1866; 1873; 1882; 1886; correspondence, 1867‑1899, both from and to James A. Millholland regarding a trip to England and purchase and shipment of railroad rails; the photographic series contains portraits of both Millhollands and ca...

This collection contains examples of pilot's licenses that were issued in the early 20th century. It includes licenses from various nations such as France, Italy, Canada and the United States.

The papers of arts administrator, museum director, collector, dealer, and editor Charles M. Kurtz (1855-1909), measure 27.74 linear feet and date from 1843-1990 (bulk dates 1884-1909). The bulk of the collection consists of detailed chronological correspondence between Kurtz and his wife and family, friends, colleagues, and business associates that documents many notable exhibitions, galleries, museums, private collections, as well as cities, people, and events of the period. Also found in the collection are Kurtz's diaries, scrapbooks, printed materials, and photographs.

Sports and trading cards, 1952-1996, amassed by card collector Ronald S. Korda. The sports cards are subdivided by sport. Baseball cards, (1952-1996), comprise the vast majority of the sports cards, while football (1968-1996) and hockey (1968-1996) are the two next largest subseries. There are lesser quantities of cards for basketball, and only a few each for all other sports, such as racing, skiing, etc. Non-sports cards cover a large variety of popular culture topics, including motion pictures, television programs, popular music, toys, games, cars and trucks, comics, fantasy art, and many other subjects. Some ephemeral items are also included in the collection, such as sticker albums, posters and programs

The collection documents Emile Bachelet, inventor of electro-magnetic therapeutic devices for the treatment of rheumatism.

The Myron Bement Smith collection consists of two parts, the papers of Myron Bement Smith and his wife Katharine and the Islamic Archives. It contains substantial material about his field research in Italy in the 1920s and his years working on Islamic architecture in Iran in the 1930s. Letters describe the milieu in which he operated in Rochester NY and New York City in the 1920s and early 1930s; the Smiths' life in Iran from 1933 to 1937; and the extensive network of academic and social contacts that Myron and Katharine developed and maintained over his lifetime. The Islamic Archives was a project to which Smith devoted most of his professional life. It includes both original materials, such as his photographs and notes, and items acquired by him from other scholars or experts on Islamic art and architecture. Smith intended the Archives to serve as a resource for scholars interested in the architecture and art of the entire Islamic world although he also included some materials about non-Islamic architecture.

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Publishing forms part of the Warshaw Collection of Business Americana, Subseries 1.1: Subject Categories. The Subject Categories subseries is divided into 470 subject categories based on those created by Mr. Warshaw. These subject categories include topical subjects, types or forms of material, people, organizations, historical events, and other categories. An overview to the entire Warshaw collection is available here: Warshaw Collection of Business Americana

The Richard Marchand Historical Postcard Collection contains approximately 1,200 35mm slide reproductions of postcard images depicting early twentieth century architectural and garden views of over 600 private estates throughout the United States. The collection includes views of estates owned by popular movie stars of the 1920s and 1930s, including Charlie Chaplin, Mary Pickford, Douglas Fairbanks, Claudette Colbert and Buster Keaton.

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Dentistry forms part of the Warshaw Collection of Business Americana, Subseries 1.1: Subject Categories. The Subject Categories subseries is divided into 470 subject categories based on those created by Mr. Warshaw. These subject categories include topical subjects, types or forms of material, people, organizations, historical events, and other categories. An overview to the entire Warshaw collection is available here: Warshaw Collection of Business Americana