The professional and personal correspondence, papers, and pamphlet collection of Melvil Dewey, relating to libraries, the American Library Association, library classification, the Lake Placid Club, Columbia College, the New York State Library, and spelling reform. Included are notes for and a typescript of Grosvenor Dawe's biography of Dewey.

The Monroe Co-Operative Building Lot Association of Rochester records, 1872-1879, highlights the period of expansion of the city of Rochester's western edges in the 1870s. Documents include shareholder and membership certificates for the sales of lots to numerous individuals, three treasurer books, bonds, discharge of mortgages, assignments of mortgages, indentures and mortgages, and related documents, including surveyor reports by Daniel Drummond, a rebuttal report, and a partial treasurer's report.

Architectural drawings and specifications for Codman's projects, circa 1890s-1930s, including the Martha Codman house in Washington, D.C.; alterations for Edith Wharton and her husband at their three residences, the Mount in Lenox, Mass., Land's End in Newport, R.I., and their Park Avenue home in New York City; work for the Thayer family of Boston, Mass., specifically Nathaniel Thayer's three homes in Boston, Lancaster, Mass., and Newport, R.I. ("Edgemere"), Bernard Thayer's Beacon Hill houyse in Boston, and Eugene Van Rensselaer Thayer's two houses in Boston and Lancaster, Mass.; the Lucy Dahlgren house in New York City; the Archer M. Huntington house on Fifth Avenue in New York City; interior design for John D. Rockefeller in his house "Kykuit" at Pocantico Hills, N.Y.; interior design work for the Vanderbilt family including Cornelius Vanderbilt's "Breakers" at Newport, R.I. and Frederick William Vanderbilt's mansion in Hyde Park, N.Y. and his house on Fifth Avenue in New York City; Oliver Ames' mansion at Pride's Crossing, Beverly, Mass., and his house in Boston; and interior decoration and alterations for Codman's own homes in Newport, R.I. and Roslyn, N.Y. and his villa in France, "La Leopolda", at Villefranche-sur-Mer. Also, lists, descriptions, and postcards of French chateaux, with related correspondence, circa 1900s-1930s, relating to Codman's bibliography on the chateaux of France; and miscellaneous lists of houses in England and France, correspondence, and printed material.

The collection is representative of the activities of small businessmen in New Gloucester Maine and in the details of local government. Included are account books, business communications, letters, receipts, deeds, mortgates, personal and social correspondence of the Otis Nelson family, and letters of Lilly Nelson.

Correspondence, manuscripts of poems, and manuscripts of lectures by Benjamin. The correspondence consists of original letters of Benjamin, typescript and photostatic copies of Benjamin letters in other libraries, and letters to Benjamin from some of his literary contemporaries including Paul Hamilton Hayne, Willis Gaylord Clark, John Lothrop Motley, and Fitz-Greene Halleck. Many of the letters relate to Park Benjamin's lecture tours. There are other family letters and many documents relating to the Benjamin family,and two letterbooks of John Lothrop Motley. Also, a large amount of genealogical material of the Benjamin family, and its related families from the 16th century to the present day. There are also financial records, monographs, clippings, and photographs.

Records of literary agents Paul Revere Reynolds, founder of Paul R. Reynolds agency, and his son, Paul Revere Reynolds, Jr. The records consist of correspondence, contracts, scripts, and financial records. The files are rich in correspondence between authors and agents and provide important information about some of the most significant works published in the last seventy years.

deDaehn's account books for the years 1900 through 1969 contain detailed records of daily household expenditures, including everything from doctor, laundry and grocery bills to transportation and the theatre. Correspondence consists of letters from Alexander deDaehn to his mother describing his social life in St. Petersburg and travels through Russia in 1903. Typed copies of Alexander's letters written in 1904 give an account of his experiences and observations as a Russian soldier in China.

Correspondence, manuscripts, documents, and newspapers. These include over four hundred letters to Alexander, as well as miscellaneous letters and telegrams; some of his manuscripts and notes; business records of his law firm; military documents of the western divisions of the Confederate Army; copybooks and letter books; and complete and partial newspapers and clippings from the various Southern newspapers (in particular THE SAVANNAH REPUBLICAN, the DAILY DISPATCH of Richmond, and the ADVERTISER AND REGISTER of Mobile) which carried Alexander's dispatches.

The Pierrepont family papers (1761-1918) document the intersection of commercial, civic and personal interests across three generations of one of the most prominent and influential families of nineteenth century Brooklyn, New York. The bulk of the collection concerns the business dealings of Henry Evelyn Pierrepont from 1838 to his death in 1888. This especially includes an extensive set of accounting and transactional records concerning the Pierrepont Stores, the family's warehouse on Brooklyn's East River waterfront; these include records of ships arriving at the Stores and their cargoes delivered. Additionally, there are substantive correspondence, legal documents and other materials concerning the Union Ferry Company, of which Henry was an officer. In addition to commerce and shipping, a major theme of the collection is that of land acquisition in Brooklyn Heights and at the adjacent waterfront in the early nineteenth century, and the development of that property over the course of the century. Included in the collection are correspondence, deeds, indentures, leases, accounting records, diaries, maps, invoices, receipts, business proposals, legal filings, clippings, and historical and genealogical manuscripts.