This collection consists of autograph signed letters, typed signed letters, postcards, telegrams, printed material, programs, newspaper clippings, and written public announcements pertaining to the Agudath Israel movement in America, Eretz Israel/Palestine, and Lithuania. Most materials are dated during the 1940s (wake of WWII). Most letters are addressed to Rabbi Aaron Ben Zion Shurin. The materials are mainly in Hebrew and English with some in Yiddish. Most materials concern the role of Orthodox Jewry in the wake of the Holocaust.

Diaries of Andrew Mills, Jr., containing notations, drafts of speeches and essays, newspaper clippings, printed ephemera, and letters, all of which document and reflect the problems and changes in banking during the depression and war periods.

Papers and war time diary of Charles Haupter, journalist, businessman and employee of the Office of War Information during World War II.

This collection contains a series of letters written to and from the Day family between the years of 1902-1958. The letters detail intimate and personal views of the family's life, especially living in the 1940's.

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

Correspondence, manuscripts, documents, clippings, and printed materials dealing with Kuhn's published books, book reviews, editorials, lecture notes, magazine and newspaper stories, and teaching materials.

Correspondence, manuscripts, notes, drafts of speeches, appointment books, subject files, documents, photographs, memorabilia and printed materials. There are notes from her lectures on Sociology at Adelphi College in 1911-1912; papers from 1912-1932, when Perkins served on the Commission for Safety and on the Industrial Commission of New York State; the main body of the material is from the period of her cabinet office, 1933-1945; and some items from her days on the Civil Service Commission, 1946-1953. Also included are personal and family papers.

The majority of the collection's interviews were taken by Gail Mary Killian and document her life in the 1970s-1980s as a woman living with Down syndrome in Eastern Massachusetts. Killian recorded her birthday starting in 1970, and many recordings capture the conversations that took place at these celebrations, which were attended by family members and neighbors. Topics discussed at these parties include music-related gifts received by Killian; rock music and Polish folk music; television shows and movies; employment opportunities for people with disabilities in the region; work at the United States Postal Service (her father's employer); and happenings in their local community. The family also sings together, both in English and Polish. Also included are recordings made by Killian during her daily life. Killian was an avid music fan, and she records thoughts on rock bands such as the Beatles, Journey, and Van Halen. Portions of the local New Bedford, MA radio program "Polish Happy Hour" are captured on tape.

This collection contains the papers of George W. Perkins, Jr., a diplomat who served as Assistant Secretary of State for European Affairs and as United States Permanent Representative to NATO. The bulk of the papers relates to his work for NATO and for the Palisades Interstate Park Commission, which he chaired. There are also documents pertaining to his service in the U.S. Army during World War I and World War II. Most of the material consists of correspondence and photographs.

The collection, which reflects these associations, includes correspondence, financial records, memoranda, papers, speeches, and newspaper clippings, relating to the history of life insurance, banking, industrial development, and politics in the early 20th Century.