The papers of Leonhard Stejneger consist of manuscripts on Japanese herpetology, Chinese herpetology, Puerto Rican and West Indian herpetology, North American herpetology, poisonous snakes, turtles, fur seals, ornithology, European fauna and the study of life zones; manuscripts, general notes and bibliographic notes and correspondence regardin...

The records of Midtown Galleries measure 86.82 linear feet and date from 1904 to 1997. The collection documents the operation and general administration of the business and includes artist records, exhibition material, inventories, financial records, photographs, and printed material.

The Thomas Warren Sears Photograph Collection documents examples of the design work of Thomas Warren Sears (1880-1966), a landscape architect and amateur photographer from Brookline, Massachusetts. Sears, who was based for most of his career in Philadelphia, designed a variety of different types of landscapes ranging from private residences, schools, and playgrounds to parks, cemeteries, and urban housing developments located primarily in Pennsylvania, Maryland, and New York. In addition to some of Sears' design work, images in the collection document Sears' domestic and foreign travels, design inspirations, and family. The collection includes over 4,800 black and white negatives and glass lantern slides dated circa 1899 to 1930. While most images show private and public gardens, there are a significant number of unidentified views and views photographed in Europe during two trips he took there in 1906 and 1908. Few images are captioned or dated. In addition, there are over 50 plans and drawings, most notably for Balmuckety in Pikesville, Maryland and Reynolda in Winston-Salem, North Carolina, and 3 monographs by or about Sears.

These records document primarily the history of typeface development at the Mergenthaler Linotype Company of Baltimore, Maryland. The company supplied most of the typesetting machines used in the printing industry, both in America and worldwide. As changing technology ended the usefulness of the linotype machine the company pioneered new computer-driven, photo typesetting machines.

Hans Groenhoff (1906-1985) was a celebrated American aviation photographer from the 1930s through the 1960s, also working as a pilot, journalist, editor, correspondent, and—in his retirement years—as an aviation tourism publicist for the Bahamas. This collection of 25,550 images consists of Groenhoff's collection of negatives and transparencies, spanning his career from 1933 to 1975.

The papers of art historian E. P. Richardson measure 28.7 linear feet and date from 1814-1996, with the bulk of the materials dating from 1921-1996. Within the papers are scattered biographical materials; acquisition files for Richardson's personal art collection; professional and personal correspondence with colleagues, art historians and critics, artists, museums, galleries, and dealers; numerous writings, including manuscripts and research files for his published books, articles, and lectures; general research notebooks and files compiled by Richardson on a wide variety of art-related topics and artists; professional and committee files; as well as a smaller amount of Constance C. Richardson's papers.

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Periodicals 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 records of the Richard York Gallery, a New York gallery specializing in American art from early 1800s to 1950, measure 79.3 linear feet and date from circa 1865-2005, with the bulk of the material dating from 1981 to 2004. Three-fourths of the records are artists' artwork files, documenting the sale and consignment of nearly 6,500 works of art. The gallery's activities are also recorded through correspondence, client files, gallery invoices, inventories, business and financial records, printed materials, scrapbooks, photographic materials of artwork, and estate records for the John Marin estate and Sergio Stella estate (Joseph Stella). An addition of 10.2 linear feet, dated circa 1865 to 2005, includes artists' files arranged alphabetically containing printed material, clippings, exhibition announcements, and scattered correspondence and financial documents.

The W. Atlee Burpee & Company records, dated circa 1873-1986, document the firm's business activities developing plant varieties and marketing and selling seeds. They include accounting records, seed trial records, seed contracts, sales records, inventories, office correspondence, seed catalogs, promotional and instructional materials, advertisements and advertising reports, contest letters, daybooks, photographs, reference materials, and other items relating to the company and some of its competitors.

The papers of Matthew Shepard (1976-1998) a gay man who was a victim of a hate crime in Laramie, Wyoming October 1998 resulting in his death. His death gained national and international attention leading to the formation of the Matthew Shepard Foundation and eventual passage of federal hate crime legislation (The Matthew Shepard and James Byrd, Jr. Hate Crimes Prevention Act), signed into law in October 2009.