The Adam Clark Works Papers contain correspondence from his family and friends. Also included are diaries belonging to Adam Clark Works, his first wife, Mrs. Elida I. (Van Sickle) Works, his second wife, Mrs. Ellen (Mihill) Works, his daughter, Ruth Elida Works, and his brother, George Washington William Works. The collection also contains memorabilia, photographs and a china figurine, "Three O'Clock in the Morning." The bulk of his papers are from the 1860's. The family correspondence includes letters from his mother, Mrs. Julia (Coolidge) Works Crouch, his brothers, George Washington William Works, Robert Miller Works, Obadiah Works, his halfbrothers, James Chesterfield Crouch, Benjamin F. Crouch, and his uncle, George Griswold, who raised him after his father, George W. Works, died in 1839. The collection includes courtship and marriage letters, from both wives of Adam Clark Works. His first wife, Elida, died in 1869 after a prolonged illness. Her letters are filled with descriptive detail concerning methods of medical treatment at the Castile Water Cure Sanatorium in 1868. Adam Clark Works' in-laws, Mary and Henry C. C. Van Sickel (or Van Sickle), referred to as "Ma" and "Pa," and the Rev. Norris and Mellissa (Lamson) Mihill (or Mihills) carried on an extensive correspondence with him. The sisters of his second wife, Ellen, Mrs. Emma (Mihill) Marsh and Mrs. Caroline (Mihill) Lengfeld also wrote often. Adam Clark Works' correspondence also includes letters from many friends. Several were from former students and teaching acquaintances. The Rev. Herbert Franklin Fisk, President of Genesee Wesleyan Seminary (1868-72) and Principal of the Preparatory School at Northwestern University wrote frequently. Another close friend that he corresponded with throughout his adult life was James M. Hodge, a professor of natural science at Fort Edward Collegiate Institute, Fort Edward, N.Y. and later a partner in Ogelsby and Hodge, Plumbers, Gas & Steam Fitters of Philadelphia, Pennsylvania. He also corresponded with Joel Dorman Steele (1836-1886), author of several scientific and historical books. Of special interest are the letters from Robert H. Skinner, which give a detailed account of the Civil War from his enlistment in the 77th Regiment, N.Y. Volunteers, Company D, from November 7, 1861 until his release on March 12, 1863. Lt. Skinner's letters describe his company's march to Washington, the camp conditions, Army supplies, military engagements, medical treatment of the wounded, and the attitude of the men toward the war.

The Mappa Papers include 47 letters, 1778-1833 and undated, the majority being for the period 1789-1795. Almost all are in Dutch, with the rest in French. The correspondence is both personal, and pertaining to the business of the Holland Land Co., particularly in the Boonville and Oldenbarneveldt (Trenton) areas of Oneida County, N. Y.

The collection consists of correspondence, manuscript and typed copies of poems, manuscript and typed drafts of the studies of metrics, reading notes, critical notices of Verse, published and unpublished articles about Adelaide Crapsey, photographs and memorabilia.

The collection is comprised of correspondence of mainly W.C. Brown, Henry Cargill, and E.C. Miner during the time they were active in the formation and activities of the association. The collection includes records of the organization (minutes of general and stock holders meetings) and detailed descriptions of the farms that were sold. It also has two bound volumes of unused stock certificates and one embosser.

The AIDS Education Collection contains material related to Dr. Edward Atwater's acquisition of the AIDS education posters. This collection includes two series: Subject Files and Outreach Efforts. The materials in Series 1 include the sub-series: Correspondence, research notes, and contacts, which provides information associated with international organizations and individuals. The second series include evidence of the extensive outreach efforts launched by various countries to combat the epidemic. This series is comprised of eleven sub-series: International Maps and Travel guides; Condoms; Periodicals, Guides, and General Education materials; Pamphlets; Comic Books and Illustrated materials; Gallery and Exhibition materials; Clothing; Small Booklets and Pamphlets; Postcards; Videos; and Slides of Posters.

The Aikin Family Papers consist of 117 letters, 1789-1854, most of which are written by Arthur Aikin and his sister Lucy to family and friends.

The collection includes Civil War letters written by Albert B. Williams to his parents, and miscellaneous papers

The collection is comprised of three archival boxes, the majority of its contents is correspondence. Personal Correspondence during the years 1804-1823 between Alexander and his mother and siblings are found in Box I. They include letters when he was away at school at Colchester, CT and when Horace and he moved to Canandaigua and opened a general store. Box II contains business correspondence when Alexander was a land agent and handled the affairs of the Boudinot Family. It also includes some of his personal finances. Box III deals mainly with legal documents that describe how his land was divided up. It also includes some correspondence between Alexander and his children.

Correspondence (17 letters) to Alexander Millar of Lewiston, Niagara County, New York from relatives in Scotland regarding family news, business holdings in Scotland, inheritances, and settlements of estates. Also photocopies of typescripts of most of the letters and related family/genealogical correspondence.

The Alexander-Rideout Collection consists of material relating to Sir George Alexander and St. James's Theatre assembled by Alexander's distant relative, Nigel Rideout. The British actor-manager Sir George Alexander (1858-1918) was born Alexander George Samson in Reading, England. He began acting in amateur theatricals in 1875, and four years later embarked on a professional acting career, making his London debut in 1881. He played many roles in the leading companies, including Sir Henry Irving's Lyceum. In 1890 he produced his first play at the Avenue Theatre and in 1891 he became the manager of St. James's Theatre. Here he produced several of the major plays of the day such as Lady Windermere's Fan by Oscar Wilde (1892), The Second Mrs. Tanqueray by Sir Arthur Wing Pinero (1893), The Importance of Being Ernest by Oscar Wilde (1895), and The Prisoner of Zenda by Anthony Hope (1896).