The papers include correspondence, diaries, notebooks, writings, wills, scrapbooks, albums, genealogical records and memorabilia of several generations of the Schwab family. Principal figures are Gustav Friedrich Schwab; his wife, Eliza Catherine Von Post Schwab; and their son, John Christopher Schwab. The papers of Gustav Friedrich Schwab include business correspondence during his presidency of the firm of Oelrichs & Co. in New York and travel diaries (1843-1846). An additional diary (1883) records his travels during the opening excursion of the Northern Pacific Railroad. The papers of his wife contain an autograph album and diaries (1847-1877). The papers also include material of the German poet Gustav Benjamin Schwab, who was the grandfather of John C. Schwab. The papers of John C. Schwab include his student notebooks both in the United States and in Germany, with half of one notebook (1887-1888) devoted to the lectures of the historian Heinrich von Treitschke.
The John Clayton Tracy Papers consist of writings, correspondence, and subject files relating to Tracy's role as professor of civil engineering and head of the Department of Civil Engineering at the Sheffield Scientific School, secretary of the Yale Class of 1890 (S.S.S.), and Yale representative to the Society of Sigma Xi.
The papers consist of sermons by John Cleaveland (1722-1799) and his son, John Cleaveland (1750-1815). The elder John Cleaveland is responsible for fifty-two sermons, chiefly preached at Ipswich, Massachusetts (1793-1798) and the younger is represented by seventy-two sermons delivered at Stoneham and Wrentham, Massachusetts from 1786-1807.
The papers consist of correspondence, writings, and notes of John C. Mersick and his son Charles S. Mersick, both merchants in nineteenth-century New Haven, Connecticut. John C. Mersick's papers relate to his historical interests and the Washington Union Brotherhood. The papers also document Charles S. Mersick's genealogical interests.
Principally sermons and writings of John Cockrill Shackleford, including student essays, and a thesis prepared for his B.A. degree at Yale College, 1854. Also included is a copy of his book: Ecce Agnus Dei; or The true theory of the atonement (Nashville and Dallas, Publishing House of the M.E. Church South, 1905).
The papers consist of correspondence, subject files, writings, memoranda and reports, research materials, and miscellanea, documenting the personal life and professional career of John Collier. His service with the American Indian Defense Association (A.I.D.A.), as United States Commissioner of Indian Affairs, and as a teacher and author is detailed. Correspondence files include materials with leading political, literary, and social figures. Drafts of books, articles, essays, reviews, and poetry are supplemented with extensive subject files and research materials. Files relating to the Institute of Ethnic Affairs include substantive correspondence and memoranda. The papers of anthropologist Laura Thompson, Collier's second wife, are also arranged in the papers, and date from 1945-1956.
The papers consist of correspondence, subject files, writings, and research notes, primarily pertaining to the professional career of John Collins Pope.
Most of the collection consists of autograph letters by prominent physicians and scientists in America and abroad to John Collins Warren, surgeon and naturalist. Two letters are by Warren.