Papers of the Union soldier (1843-1872). Served as a clerk in the 123rd New York Volunteers during the Civil War, participated in Gettysburg and Atlanta Campaigns. Worked as a surveyor following war. Diaries (1862-1865); family correspondence (1862-1878); and memorabilia, including military certificates, Cook's company's muster-out roll, photographs, and newspapers.

Correspondence, photographs, genealogical and biographical material relating to Thomas Crawford Alexander and to the Alexander and Lumpkin families, presumably amassed by John S. Mayfield, a relative. Other surnames in the collection include Hale, Bain, Trulove, Pickett, Chamberlain and Robertson.

Correspondence, 1863-1897; personal documents, manuscripts, and published material of the American physicist.

Papers of the American professor, biographer. Correspondence, writings, notes, and FitzGerald memorabilia brought together by Terhune to support his ongoing research which culminated in the publication of the four-volume The Letters of Edward FitzGerald (1830-1883), an effort begun by Terhune and completed after his death by his wife Annabelle Burdick Terhune. In addition to FitzGerald, the collection is representative of the interests of a number of individuals (Henry B. Lister, Waldo Maas, Terhune) and organizations (most notably the Omar Khayyam Club), and spans nearly a century of collecting tastes and history. It is therefore also a resource for other notable 19th century British writers and scholars including Bernard Barton, Francis Capper Brooke, E.B. Cowell, George Crabbe, Joseph Fletcher, A.P. Moor, Bernard Quaritch, Alfred Tennyson, and William Makepeace Thackeray. It also provides much information about Suffolk, England and its environs as well as insights into the character of the Victorian period.

Papers of the American author, journalist, writer of young adult fiction. Collection includes correspondence, including family letters, as well as Hager's personal and business letters; articles, book manuscripts, and poems; and memorabilia, including book reviews, clippings, photographs, and press releases.

Correspondence, diary, expedition journal, financial material, scientific notebook and sketches, photographs, published material, including articles and newspaper clippings, and scrapbooks. Correspondence (1854-1902) includes that of Alexander Agassiz, Charles E. Beecher, E.D. Cope, James D. Dana, J.S. Diller, G.K. Gilbert, G. Brown Goode, Asa Gray, Robert T. Hill, Anna Hyatt Huntington, Hyatt’s father, Alpheus Hyatt, Audella Beebe Hyatt, Jules Marcou, Harriet Randolph Hyatt Mayor, A.S. Packard, Charles Schuchert, and Charles Walcott.

The American Book Company was formed in 1890 by consolidation of Van Antwerp, Bragg and Co., A.S. Barnes and Co., D. Appleton and Co., and Iveson, Blakeman and Co. The collection includes the records of the company which manufactured books and educational materials in several locations in the United States, with head offices in New York City; the book list embraced all subjects at all educational levels. The collection is primarily textbooks, including several editions as far back as 1840 of the McGuffey readers; also included are business records and illustrations.

Correspondence, photographs, family histories, scrapbooks, manuscripts, diaries, address books and more, most relating to John Dustin Archbold and his daughter Anne Archbold.

Correspondence, incoming and outgoing (1860-1932); diaries; account books; notebooks; a partial autobiography; and sketches. Correspondents include Clara Carter Hyatt Coad, Mary E. Freeman, Anna Hyatt Huntington, Archer M. Huntington, Alpheus Hyatt, Leon Kroll, Alpheus Hyatt Mayor, and Harriet Randolph Hyatt Mayor.

The Beebe Family Collection consists of correspondence, artifacts, bills and receipts, legal papers, photographs and poems.