The collection consists of family memorabilia of the Eugene Herbert Arnold family and drawings and photographs of the work of James B. Arnold, Rochester architect from 1897 to 1957.

The materials in this collection comprise the deconstructed contents of a scrapbook/photo album documenting LGBTQ+ life at the Backstreets Neighborhood Bar and Grill in Rochester, NY, during the 1980s. A flash drive with digital images of the original layout of the scrapbook and a spreadsheet with some identification information is present. Other materials include photographs of bar patrons, staff, event decorations, food and flowers, advertisements for the opening of the bar in the September 1983 Empty Closet newspaper, and fliers for events. Highlights of the photograph collections include the 1983 Halloween party, the 1984 Mr. Backstreets competition, and various drag performers in the 80s-90s.

The Bragdon Family Papers are predominantly composed of the personal papers of architect, author, and theater designer Claude Fayette Bragdon but also include those of his parents, sister, wives and children. Included is the correspondence of Claude F. Bragdon with his family and others, including Gelett Burgess, Walter Hampden, Norman Kent, Jiddu Krishnamurti, Kathleen Cunningham, Llewelyn Powys, J.B. Priestley, Nikolai Roerich, Alfred Stieglitz, Peter Uspenskii, John Van Druten, Tennessee Williams, and Frank Lloyd Wright. There are also publications and manuscripts by Bragdon; financial and legal papers; photos of buildings he designed; drawings of stage sets; scores for color music; diaries, 1877-79, 1908-12, 1924-46; scrapbooks; records of the Manas Press; and memorabilia. The correspondence and manuscripts of his sons, Henry W. and Chandler, his father George C. Bragdon, and that of his wives, including the spirit communications of his second wife are included. In addition, the diaries of Kathleen Shipherd Bragdon, 1860-1920; letters and papers of Fayette Shipherd and family; scrapbooks and diaries of May Bragdon; family photographs; and genealogical data; and documents relating to building of Selkirk Bethel Church (Point Ontario, New York, 1848-55) are contained in the collection.

This collection is an addition to the Bragdon Family Papers (call number A.B81). While the bulk of the original collection focuses on the life and work of Claude Fayette Bragdon, the majority of the Addition relates to his family members. Included are materials on Claude F. Bragdon, Charlotte (Wilkinson) Bragdon and the Wilkinson Family, Eugenie (Julier) Macaulay Bragdon, Henry Wilkinson Bragdon, Chandler Bragdon, May Bragdon, George Chandler Bragdon, George L. Bragdon, Katherine Elmina (Shipherd) Bragdon, and the Shipherd Family. The Addition contains family scrapbooks, diaries, correspondence and photographs.

The collection consists of biographical information, correspondence, tapes, phonographic records, films, phonographs, and other memorabilia of Mr. Hallauer's career.

The Caulkins Family Papers consists of three series: Caulkins Family Papers and Photographs, 1810-1931; Edward Dana Caulkins, 1896-1974; and Recreation, 1923-1974. The first series includes materials that chronicle the growth of the Caulkins family. There is genealogical information compiled by E. Dana Caulkins, family photographs, Daniel Douglas Caulkins's writing and financial documents, correspondence between family members, and T. Vassar Caulkins's sermons from 1884-1938 as well as a scrapbook documenting his tenure as the minister at the First Baptist Church. The second series includes materials from E. Dana Caulkins's education at Suffield Academy, the University of Rochester and Columbia University. The series also consists of correspondence Caulkins wrote to his future wife, Ruth Smallwood, as well as to family members. This series documents Caulkins's early career working for municipal recreation organizations, speeches and articles from 1916-1945. The third series documents the development of recreation and its importance to young adult and adult health, both in the United States and internationally. Included in this series are alphabetized organizational files, with materials from the American Park and Recreation Association and other organizations, as well as subject files, with materials related to recreation in specific states and cities. Also included are printed materials and newspaper clippings related to recreation.

The collection contains materials relating to the Algernon S. and Adelaide Trowbridge Crapsey family of Rochester, NY, one of the city's most prominent families of the late 19th and early 20th centuries.

The collection includes letters from Abigail Curtis Marks of Lockport to Silas Curtis of Stratford, Connecticut; family photographs; genealogical data on Shelton family of Connecticut; autograph album; and journal of a Lockport flour mill, used as a scrapbook.

The Fellows Collection consists of a scrapbook compiled c. 1934-1935 by Dan and Marvel Fellows. It is made up of striking photographic images from newspapers and magazines showing natural scenery, buildings, and people from Rochester and other areas in Western New York.

This collection houses a variety of items directly related to George Eastman (1854-1932). There are several scrapbooks, the drafts and a final copy of The University of Rochester issue from the Spring of 1971, devoted entirely to Eastman, taped oral histories, and an extensive newspaper and serial file that continues to be accumulated.