The papers of Aleš Hrdlička, curator in the Division of Physical Anthropology, Department of Anthropology, United States National Museum of the Smithsonian Institution, offer considerable insight into the development of physical anthropology in the first half of this century. The papers include honors bestowed on Hrdlička, autobiographical notes, correspondence with many of the leading anthropologists of the day, anthropometric and osteometric measurements and observations (forming most of the collection), extensive photographs of Hrdlička's field work, manuscripts, research materials, and "My Journeys" (essentially a diary Hrdlička kept of his field work). In addition, there is material of a personal nature. The papers date from 1875 to 1966, but the bulk of the materials date from 1903 to 1943, the time of Hrdlička's career at the USNM.

The collection includes approximately 250,000 photonegatives, photoprints, color transparencies from the photographic business founded by Addison Scurlock in Washington, DC. Collection also includes business records and ephemera.

The Jack Tworkov papers measure 9.7 linear feet and are dated 1926-1993. Tworkov's work as a painter and influential teacher, as well as his personal life, are documented by extensive journals and substantive correspondence that record his ideas about art and teaching, and illuminate his relationships with friends, colleagues, and students. Many sketchbooks, writings, interviews, photographs, and moving images are also included.

Collections consists of the records of both the Norcross Greeting Card Company founded in New York City in the 1920s and The Rust Craft Greeting Card Company, founded in Kansas City, Missouri, 1906. Both the Norcross and Rust Craft companies collected antique greeting cards. Also includes a small number of modern cards by other manufacturers, circa 1930-1980. Collection represents development of the greeting card industry, social trends in the United States and technology of the printing industry from 1924 through 1978.

The research material of Tomás Ybarra-Frausto, measures 33.1 linear feet and 1.27 GB and dates from 1965-2004. The collection, amassed throughout Ybarra-Frausto's long and distinguished career as a scholar of the arts and humanities, documents the development of Chicano art in the United States and chronicles Ybarra-Frausto's role as a community leader and scholar in the political and artistic Chicano movement from its inception in the 1960s to the present day.

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 the governance and programmatic activities of the Museum of the American Indian/Heye Foundation (MAI) from its inception in 1904 until its sublimation by the Smithsonian Institution in 1990. The types of materials present in this collection include personal and institutional correspondence, individual subject files, minutes and annual reports, financial ledgers, legal records, expedition field notes, research notes, catalog and object lists, publications, clippings, flyers, maps, photographs, negatives and audio-visual materials. These materials span a varied range of subjects relating to the activities of the museum which are more fully described on the series level.

The papers of painter and illustrator Elihu Vedder measure approximately 9.2 linear feet and date from 1804-1969, with the bulk of the material dating from 1840-1923. The collection documents Vedder's personal life and work. Best known for his illustrations of the 1884 edition of The Rubaiyat of Omar Khayyam, Vedder's papers include correspondence, writings, diaries, photographs, a limited number of drawings, books and printed material, legal and financial papers, and scattered personal and family papers.

The papers of curator, gallery director, educator, and Latin American art historian Stanton L. Catlin (1915-1997) measure 56.4 linear feet and date from 1911 to 1998 with the bulk of the material dating from 1930 to 1994. The papers are comprised of biographical material, correspondence, writings and notes, teaching and project files, professional files, research files, exhibition and subject files, printed material, and photographs.

The records of New York City Kraushaar Galleries measure 106.3 linear feet and 0.181 GB and date from 1877 to 2006. Three-fourths of the collection documents the gallery's handling of contemporary American paintings, drawings, and sculpture through correspondence with artists, private collectors, museums, galleries, and other art institutions, interspersed with scattered exhibition catalogs and other materials. Also included are John F. Kraushaar's estate records; artists' files; financial ledgers documenting sales and gallery transactions; consignment and loan records; photographs of artwork; sketchbooks and drawings by James Penney, Louis Bouché, and others; and two scrapbooks. There is a 6.0 linear foot unprocessed addition to this collection donated in 2022 that includes correspondence with artists, galleries, organizations and individuals regarding works of art, filed alphabetically by year. Materials date from circa 1959-1999, with the bulk from 1990-1999.