Business correspondence of homeopathic physicians Henry Barden and his son, William Wallace Barden, of Penn Yan, New York and Barden Family correspondence.

The William Wildschut photograph collection contains 183 photographic negatives, and 89 post cards. From 1917 to 1928 William Wildschut studied the Apsáalooke people through interviews, photography, and the collection of cultural objects. In 1921 Wildschut was hired as a field man by George Gustav Heye the director of the Museum of the American Indian, Wildschut officially collected and conducted field expeditions in Montana, Wyoming, Idaho, Canada, and North Dakota on behalf of the Museum until 1928. Wildschuts photographs include portrait style photos of Apsáalooke people, special events, daily reservation life, interments, and encampments. Tribes represented in this collection are primarily Apsáalooke, the postcard collection consists of other tribes including Lakota, Arapaho, and other unidentified tribes.

This collection contains the professional papers of Conrad M. Arensberg, anthropologist, university professor, and anthropological consultant. Included are correspondence; published and unpublished writings; research materials, including notes, correspondence, diaries, charts, drafts, interviews, research plans, reports, project proposals, and bibliographic cards; speeches; pamphlets; articles from newspapers and periodicals; course materials, including bibliographies, lecture notes, reading lists, assignments, exams, project proposals, and syllabi; curriculum vitae; date books; scholarly papers and publications of other scholars; and photographs.

Correspondence is between Spohn and his colleagues, including two letters from Alexander Calder, eight letters from Mark Rothko, and twenty-eight letters from Clyfford Still. See Appendix for an alphabetical list of correspondents from Series 2.2.

The papers of sculptor, painter, and publishing executive Alexander Semeonovitch Liberman date from circa 1913-2003 and measure 59 linear feet. Found within the papers are biographical materials; correspondence with family, galleries, museums, and many artists; numerous recorded interviews and transcripts with and by Liberman, including one of Walter Hopps; writings and writing project files; extensive subject files maintained by Liberman; exhibition files; printed materials; scattered drawings; and extensive photographs of Liberman's artwork, exhibitions, Liberman, and of Liberman with notable artists, dealers, collectors, and critics. Many of the photographs were taken by noted photograhers. Also found within the papers are unidentified sound and video recordings. Additional sound and video recordings have been integrated into other series.

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Philately 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

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Industrial Equipment 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

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Pottery 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 Scurlock photographic studio was a fixture in the Shaw area of Washington, DC from 1907-1996, and encompassed two generations of photographers, Addison N. Scurlock (1883-1964) and his sons George H. (1920- 2005) and Robert S. (1916-1994). Series 8 consists of paperwork pertaining to the administration of the business, the financial documentation of the business, the records of sales, the advertising signs and promotions of the business, the files kept on employees, and other materials kept at the Scurlock Studio. An overview to the entire Scurlock collection is available here: Scurlock Studio Records

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Dredging 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