The records include addresses, annual reports, correspondence, memos, minutes, program files, newsclippings, administrative records, photographs, video tape, and film. They include material dating from the decades prior to the establishment of the settlement which shed light on the philosophy and motivation of its founders, and offer a unique view of the first wave of the settlement house movement in America. The records document social conditions, demographic change, political activity and philanthropy in New York City. Addresses by East Side House founder Everett P. Wheeler, included in Series I, document his family history and career as a lawyer and civic reformer prior to the founding of East Side House. Wheeler's correspondence details his role in establishing the settlement and managing it during its first decades.

Professional and personal files including Armstrong's correspondence with professional associations, other engineers, and friends, his research notes, circuit diagrams, lectures, articles, legal papers, and other related materials. Of his many inventions and developments, the most important are: 1) the regenerative or feedback circuit, 1912, the first amplified radio reception, 2) the superheterodyne circuit, 1918, the basis of modern radio and radar, 3) superregeneration, 1922, a very simple, high-power receiver now used in emergency mobile service, and 4) frequency modulation - FM, 1933, static-free radio reception of high fidelity. More than half the files concern his many lawsuits, primarily with Radio Corporation of America, over infringement of the Armstrong patents. Litigation continued until 1967. Other files deal with his work in the Marcellus Hartley Research Laboratory at Columbia University, 1913-1935, and with the American Expeditionary Forces in France during World War I, his Air Force contracts for communications development, Army research during World War II, the Radio Club of America, the Institute of Radio Engineers, FM development at his radio station at Alpine, N.J., the use of FM in television, his involvement in Federal Communications Commission hearings and legislation, and his work with the Zenith Radio Corporation. Also, letters to H.J. Round

The records include annual reports, board minutes, budgets, by-laws, correspondence, memos, publications, reports, scrapbooks, photographs and printed material. They document the settlement and its antecedent institutions from 1854 to 1994, offering a unique view of the first wave of the settlement house movement in America, as well as related philanthropy and social welfare activities in New York City over a 140 year period. The origins of Goddard-Riverside Community Center are documented in Series I, which includes eight institutional subseries. These records provide a wealth of information on philanthropic, social welfare and settlement work from the mid-19th century through the 1950s. Series II - IV document the activities of the settlement from 1959 to the 1990s, with a particular emphasis on the urban renewal period of the 1960s. Items in Series VII include photographs of staff, activities, facilities of Goddard-Riverside Community Center, as well as several of its predecessor institutions.

Harry B. Baker (1868-1941) was an illustrator who taught at the New York School of Fine and Applied Art (which became Parsons School of Design) in the early 20th century. Before moving to New York, Baker traveled the American West. He illustrated bar fights, cowboys, Native Americans, and street scenes. The collection includes photographs of Baker and his students, a letter from Frank Alvah Parsons, and illustrations by Baker.

Correspondence, photographs, leaflets, pamphlets, manuals, reports and newsletters. Much of the correspondence details Marcu's efforts to persuade the American Military Government for Bavaria not to issue a weapons permit to a former Nazi who was seeking a position with the newly reconstituted police force.

The records of the New York State Conference of Local Mental Hygiene Directors trace the development of mental healthcare throughout the state from the early 1950s through the beginning of the twenty-first century. Established in the mid-1970s, the Conference's records include correspondence, memos, meeting minutes, reports, and manuals that chronicle the efforts of mental health professionals as they encourage local, county, and state agencies to provide quality, affordable services for persons living with mental illness, chemical dependency, and/or developmental disability.

The Union Settlement Association Records document a century of the settlement's activities, and provide a unique view of the first wave of the settlement movement in America. They document social conditions, demographic change, political activity, philanthropy and social work in East Harlem with a strong emphasis on the urban renewal period of the 1950s and '60s. The records include: annual reports, board minutes and committee files, headworker and executive director files, program reports, community organization files, and visual materials such as photographs, maps and architectural drawings.

Collection consists of records from the Upstate New York Chapter, Special Libraries Association from 1937 to 2004. The materials reflect the organization and development of the chapter, as well as its functions and activities in the materials regarding various committees, projects, and publications.