The Daniel Evan Button Papers contain Button's records of his terms as a U.S. Representative of the 29th Congressional District of New York.

Leonard Farbstein was a U.S. Representative from New York. Farbstein was born in New York City on October 12, 1902. He graduated from High School of Commerce, attended City College of New York, attended Hebrew Union Teachers College, and graduated from New York University Law School in 1924. During the World War I, Farbstein served in the United States Coast Guard Reserve and later as vice chairman of the East River Day Camp, a philanthropic organization. Farbstein was a lawyer in private practice. Farbstein served as a member of the New York State Assembly from 1932 through 1956. He was elected as a Democrat to the 85th and the six succeeding Congresses (January 3, 1957-January 3, 1971) before being an unsuccessful candidate for renomination to the 92nd Congress in 1970. Farbstein died on November 9, 1993, in New York, NY and his interment is in Cedar Park Cemetery in Paramus, NJ.

The Frank J. Becker Papers document Becker's service in the U.S Congress, as a representative of Nassau County (N.Y.), where he served from 1953-1964. The collection includes correspondence, subject files, and legislation from his tenure.

The Leo W. O' Brien Papers document O'Brien's service in the House of Representative where he served from 1952-1966 on behalf of Albany, NY. The collection includes subject files, correspondence and various communications materials from his Congressional tenure.

The Clarence Eugene Hancock Papers document Hancock's time in the House of Representatives in the United States Congress. He was the representative of the 35th District of New York from 1927 to 1945 but came to represent the 36th district from 1945 to 1947 after New York State was redistricted. The collection includes correspondence, newspaper clippings, Congressional bills, transcripts of Congressional hearings, telegrams, and handwritten notes.