The Scenic Hudson, Inc. Administrative History Collection documents the development of the environmental group from their landmark achievement of preserving historic Storm King Mountain to their present day efforts of protecting and preserving the environmental integrity and beauty of the Hudson River and its surrounding areas. The collection consists of administrative records and files, newspaper clippings, still photographs, correspondence, Scenic Hudson News and Annual Reports, legal materials, agenda and minutes of meetings, as well as a variety of other printed materials. Also included in the collection are files dealing with such topics as dredging, air pollution, Danskammer, the Marcy-South transmission lines, as well as a variety of other subjects.

Research materials and manuscript pages by Louis Rossi for his book Cycling Along the Canals of New York

"On the River" was a documentary TV series concerning the Hudson River and its surroundings. It was developed to inform people about the River as an economical and a recreational resource.

The Hudson River Conservation Society was founded in 1936 in order to preserve and protect scenic and historic landmarks in the Hudson Valley and seek regulation when necessary to achieve this. The Hudson River Conservation Society Collection documents the history and continued efforts of the Society as a non-profit agency, fighting for the conservation and protection of the Hudson River, its surroundings, and its environment. The Hudson River Conservation Society collection consists of correspondence, office records, reports, memoranda, newsletters, brochures, maps, newspaper clippings, press releases, opinion polls, financial records, scrapbooks, photographs, books, and other printed material.

The 1962-1976 general files chronicle management of the philanthropic affairs of the third generation of the Rockefeller family primarily Abby Rockefeller Mauze, John D. Rockefeller 3rd, Nelson A. Rockefeller, Laurance S. Rockefeller, Winthrop Rockefeller, and David Rockefeller.

Mildred F. Taylor was a Republican politican from Lyons, Wayne County, New York. Taylor was a delegate to the Republican National Convention from New York in 1940, 1948, 1952 (alternate),and 1960; the chairman of the Wayne County Republican Committee, 1943-1956; and a member of the Assembly of the New York State Legislature, 1946-1960. This collection documents her vast political experiences, including her work on the Joint Lesiglative Committee on Historic Sites.

This collection consists of serials, papers of the Corn Hill neighborhood historian and blueprints of buildings in the Corn Hill neighborhood of Rochester, New York. Materials in the collection date between 1843 and 2021. The collection was donated to the Rochester Public Library by the estate of James DeVinney in 2021.

As advocates of the environment and members of Scenic Hudson, Inc., founded in 1963, Senator and Mrs. Seymour dedicated their time and efforts to the preservation of Storm King Mountain, directly confronting the Consolidated Edison Company’s proposed pumped storage facility at Storm King Mountain, near Cornwall, New York. The records consist of correspondence, clippings, legal documents, agenda and minutes of meetings, memoranda, studies, reports, publicity materials, printed matter, and maps.

This collection documents, though partially, the professional life of architectural and art historian, librarian, and preservationist James Grote Van Derpool (1903-1979). Generally, this collection contains correspondence, office files, printed materials, photographs, slides, literary productions, and legal documents. A large portion of this collection consists of papers that reflect the activities of Van Derpool as "defender of the architectural treasures," including records and papers relating to research done for the National Parks Service. Also in the collection are records of lectures on the history of American architecture given at educational institutions, clubs, societies, business organizations, and religious and cultural group meetings. There are also papers relating to Van Derpool's research on the history of Avery Library at Columbia University and the life and work of Italian architect Leon Battista Alberti. Additionally, there is a group of records of the Advisory Committee of the University of Illinois for the time period when Van Derpool was chairman. Van Derpool's book collection was incorporated into the permanent collection of Avery Library after his death.

The Aaron White Papers contain land documents such as land surveys, assessment rolls, maps, notes, descriptions of lands, lists of some sections of the Delphi Cemetery in Delphi Falls, New York, and an aerial photograph of Cazenovia, New York; educational documents such as calculation examples and notes from a geometry lesson; administrative records such as annual records from the M.E. Church in Cazenovia, New York; floorplans from an unidentified building; and various estate records.

The Lowell Thomas Papers encompasses a wide range of materials documenting the life, family, and professional career of Lowell Thomas. These materials include correspondence, administrative and financial documents, manuscripts, printed materials, photographic materials, motion picture films, audio recordings, and memorabilia.

The Pringle Symonds Photograph Collection is comprise of loose photographs and scrapbooks of the Burden, Ledyard, and Krumbhaar Family. From this collection, it's assumed that the Burden Family were close friends with the Ledyard's, although, little is known about the relationship.

This collection is made up of business documents and papers that were kept by Henry H. Potter. These documents and papers include bank notes, bills and receipts, checkbooks, checks and cancelled checks, miscellaneous materials, daybooks, and ledgers.

The Charlotte Kreuger Papers contain meeting minutes and papers pertaining to The Third Great Western Turnpike.

This Moore Brothers Collection is comprised mostly of documents pertaining to the sale of Lorenzo in 1969 to the New York State Office of Parks, Recreation, and Historic Preservation. This collection also includes genealogical research and personal correspondence, but it makes up a very small part of the collection.

The Samuel S. Forman Papers contain administrative records, books, cattle and livestock papers, papers pertaining to the Cazenovia Post Office, certificates, correspondence, estate records, genealogy, Jonathan Denise Ledyard, government records, land documents, legal documents, lists, papers pertaining to the Madison County Court, John H. Oley, Richard Button Patent, slave documents, store documents, speeches and addresses, writings, and miscellaneous papers. Although the Samuel S. Forman Papers are primarily made up of business documents and papers from Forman's time as a shop owner of general stores for the Holland Land Company, and a store in Middletown Point, New Jersey. These business documents and papers include: account books and statements, ashes, bills and receipts, calculations, cashbooks, correspondence, daybooks, invoice books, ledgers, memorandums, orders for payment, petty lists, receipt books, registers, scratch books, and suppliers for Forman's stores. Some business documents and papers pertain to business dealings with specific people and organizations such as Jonathan and Samuel Forman Sr., Oneida Turnpike Road Co., the Cazenovia Establishment, the Sloop Monmouth, Jacob H. Ten Eyck, Sweet and Lovejoy, the Third Great Western Turnpike, S. Van Rensselaer, and Isaac Van Vleck.

This collection contains advertisements, business documents, correspondence, lists, petitions, photographs, printed materials, stamps, and writings. All materials within this collection are from the ancestors of Jane Kennard Gilmore's grandmother, Helen L. Stebbins (nee Kennard). These ancestors include members of the Childs, Fairchilds, Ledyards, and Stebbins families.

The Fairchid Family Papers are comprised of materials that were assumed to have been compiled by members of the Fairchild Family, although it's unknown as to who compiled them.

Dating from the 1790s through 1970, the Lincklaen/Ledyard collection in the Lorenzo archive contains correspondence, land records, wills, maps, store and personal account ledgers, photographs, ephemera, and more created, collected or relating to the family members, enslaved, servants, and business and personal associates.

The deClercq Family Papers contain correspondence, land papers, documents, and photographs of the deClercq Family and their direct descendants, The Kingsbury and The Mather Families.