Correspondence and letter books, 1845-1889, of Charlemagne Tower, as well as legal and business papers related to real estate transactions, coal and iron lands in Pennsylvania, and the family affairs of the Tower family.

This collection contains the records of Charles R. Dawson, a prominent planning practitioner in the Western New York area who was responsible for many planning documents for local communities.

The collection documents the career and personal life of Trinidadian-born Black British activist and journalist Darcus Howe (1943-2017). Howe was best known as a defendant in the 1971 Mangrove Nine trial, a founding member of the Race Today Collective and editor of its journal, Race Today, and a producer of television series and documentary films for the British television station Channel 4. There is also material from the later life of Howe's cousin, the prominent intellectual, postcolonial writer, and activist C. L. R. James (1901-1989).

Personal papers documenting aspects of activism in Buffalo and Niagara Falls. Material includes minutes, newsletters, programs, photographs, speeches, research notes, testimonies and newspaper clippings relating to environmental issues, education, and Israel Advocacy.

The papers of Justice Gustin L. Reichbach (1946-2014). Includes personal materials and professional records from his private legal practice and judicial chambers. The collection contains personal papers, correspondence, news clippings, photographs, and legal files.

Materials related to the Niagara Frontier Chapter of the American Civil Liberties Union (ACLU) and its predecessor the Erie County Civil Liberties Committee (ECCL). The materials are dated from 1934-1978 and include correspondence, promotional materials, legal briefs, court records, memoranda, financial records, annual reports, and case files.

Materials from litigation of Onondaga Nation land claims in central New York State, Onondaga Nation v. New York, et al, U.S. District Court, Northern District of New York, Docket 05-CV-0314

Materials from litigation of Seneca Nation of Indians and Tonawanda Senecas' land claims for Grand Island, New York and the Oil Springs Reservation in Cuba, New York.

The Wilfred Feinberg papers consist of over 200 linear feet of material, primarily dating from his fifty years as a judge on the United States District Court for the Southern District of New York and United States Court of Appeals for the Second Circuit. Some highlights of the collection include rulings and case files from precedent-setting cases, Feinberg's committee work drafting the 1995 Long Range Plan for the Federal Courts, and a detailed oral history.