The 1909 Hudson-Fulton Celebration Collection, c. 1901-2009, contains materials and souvenirs associated with the commemorative celebration. The Hudson-Fulton Celebration commemorated the 300th anniversary of Henry Hudson’s discovery of the Hudson River and the 100th anniversary of Robert Fulton’s first successful commercial application of the paddle steamboat. The collection was created by Allen Fink and Susan Bette Fink (nee Budson). They devoted years to researching and collecting Hudson-Fulton Celebration items to create a comprehensive collection of materials telling the event's story.

Scenic Hudson, Inc., formerly Scenic Hudson Preservation Conference, was founded in 1963 to oppose the Consolidated Edison Company’s proposed pumped storage facility at Storm King Mountain, near Cornwall, New York. Alexander Saunders served on the Executive Committee of the Scenic Hudson Preservation Conference as Co-Chairman of the organization. The records consist of legal documents, notes and publicity materials, printed matter, and clippings.

The Annia F. Booth Papers contains the journal of Annia Booth, which details her life starting in January 1904 through 1905.

Arthur Glowka was a US Naval aviator from 1952 - 1957 and later became a pilot for Eastern Airlines. Glowka was particularly concerned with protection of the environment. Glowka partcitpated in many environmental groups and movements to encourage policy regulation and change to protect the environment. He proved to be an effective citizen-scientist and found errors in various government and science articles and played a significant role in improving the water quality of the Sound for the wildlife in the water and humans surrounding it.

The Blaise Pascal Collection contains sources, notes and drafts of Mara Vamos’ works on Blaise Pascal. The collection contains already published works on Pascal, such as “Pascal and the Enlightenment,” as well as Mara Vamos’ thesis for her Doctorate degree at Brown University. Through her vast previous studies on Pascal and his theories, Mara Vamos attempted to convince the MLA to revive the Port-Royal edition of Pascal’s Pensées because of its great historical importance and its impact on 18th century thought. The collection contains materials used in the publication process, leading to the final work, “Pascal’s Pensées and the Enlightenment” by Mara Vamos.

This collection contains materials from Brother Russell's time in the US Army during World War II and his time as a Novitate and Marist Brother. John J. Russell was born on February 29, 1920 to Joseph Russell and Genevieve Toner in Manhattan, New York. John was drafted into the Air Force during World War II. At the end of John’s Army career in 1946, he heeded his late calling to join the Order of Marist Brothers. Brother Cornelius was a humble person who lived by the Marist Principle to “do good quietly.”

The Weiss Papers is the documentation by Brother Gerard Weiss of his family from 1879-1964. The collection includes correspondence, mortgage deeds, insurance policies, newspaper clippings, diaries and photographs pertaining to the Weiss family.

Cameron Stewart Reynolds, at the age of 26, began his military career in training at Fort Dix, New Jersey in 1953 and stationed in Germany through 1956. Reynolds wrote dozens of letters from abroad to his parents and sister back in Poughkeepsie, N.Y., which are featured in this collection. Reynolds’ travels brought him to England, Spain, Switzerland, and France at points, as can be seen in the letters and photographs. Reynolds was promoted to Corporal and later to specialist rankings during his military service, but did not re-enlist, completing his duties in Europe in November of 1956. On February 2nd, 1958, Reynolds married Dianna Wright. Cameron Reynolds went on to work for Ring Real Estate in Hyde Park and for his father’s business, S.J. Reynolds Inc., a Poughkeepsie Chrysler Dealership. This collection contains materials created or saved by Cameron Reynolds and family throughout Cameron Reynolds’ life, most notably during his time stationed overseas in 1950s Germany.

The History of Cathedral College’s Class of 1924 consists of various items which depict the years spent at Cathedral College by the class of 1924. The collection contains a book describing the members of the class, the professors, and what happened during the years, with some photographs. There are also newsletters printed by the members of the class describing the latest occurrences as well as jokes, and a few postcards.

The Catholic Studies Collection consists of both local materials pertaining to the state of New York and Dutchess County, as well as general materials on Catholicism throughout the United States and abroad. The collection contains parish histories, the papers and preparation notes of Louis Zuccarello, videos, photographs of local churches, audio tapes, materials on education, essays, and various newspapers and newspaper clippings on issues pertaining to Catholicism.

The Clove Spring Iron Works papers cover the day to day business operations of the company between the years 1870-1904. The papers include a variety of materials including business correspondence, telegraphs, contracts, legal documents, bills, receipts, checks, vouchers, deposit slips, balance sheets, payments, postcards, construction blueprints, paychecks, order records, invitations, tax receipts, weights of coal, price lists, account statements, lease agreements, insurance, and annual reports.

The Coffin Family Papers contains bills, promissory notes, receipts, account ledgers, bonds, deeds and other documents relating to the business and personal transactions of Robert Coffin of Dutchess County, NY.

This collection contains documents, photographs, slides, negatives, newspaper clippings and performance programs covering the history and productions of the Community Experimental Repertory Theatre (C.E.R.T.) collected by the members and C.E.R.T. executive board.

The Cornwall Collection documents the issues surrounding the Pumped-Storage Project at Cornwall-on-Hudson by the Consolidated Edison Company of New York, Inc. The collection includes various scientific studies in the Hudson River Estuary, specifically fish studies in the Indian Point area. It also includes legal documents from the Storm King Case, correspondence, and newspaper clippings.

The Cunneen-Hackett Papers consists of materials from the estate of Charlotte Cunneen-Hackett. Various belongings include family bibles, books concerning religious and nature themes, personal journals, diaries and photo albums. Additionally, there is another section dedicated to correspondence of New York State Senator Hatfield and information regarding Senate Bills he was influential in forming.

Stephen Duggan was a born in White Plains, NY. He attended Phillips Exeter Academy, Harvard University and Columbia University. At Columbia he met Beatrice Abbott, whom he married in 1936 and had four children with. Stephen graduated from Columbia Law School and began working at the Wall Street firm of Simpson, Thatcher and Bartlett where he became partner. In 1963-64 both Stephen and Smokey Duggan helped found the Scenic Hudson Preservations Conference – an organization whose mission was the prevention of Consolidated Edison’s plan for a pumped-storage power plant at Storm King Mountain. The case was an important founding moment in the development of environmental law and Stephen Duggan himself is often credited as a pioneer of the concept of environmental interest law. In 1970 Stephen and Smokey Duggan founded the Natural Resources Defense Council, a public interest law firm dedicated to the protection of natural resources. Smokey Duggan was appointed as the NRDC’s representative to the nongovernmental organization of the United Nations. The Duggan Family Papers is a collection of letters, legal documents, financial records, administrative correspondence, published information, newspaper clippings and photographs relating to the lives of Stephen and Smokey Duggan and their involvement in the Storm King Case and the Natural Resources Defense Council. Also included is the collected research and notes of Mary Vance Duggan resulting from her screenplay on the Duggans and the campaign against the Con-Ed plan for Storm King Mountain.

This collection depicts the live of Edvard Bech, who born in Denmark in 1812 moved to New York in 1838 where he formed a trading firm that he would run for forty seven years. In 1863 he purchased a sixty-five acre farm along the Hudson River which he named “Rosenlund” and hired Danish architect Detlef Lineau to design the estate. This collection contains papers concerning the Bech family history and businesses, materials compiled by Viggo Bech Rambusch for his monograph, and materials pretaining to the Roselund estate.

This collection consists of a single letter written by Elizabeth Titus Sweet of Dutchess County, New York on March 20th and March 21st, 1864, regarding Maggie Sweet’s diagnosis of smallpox. This letter is addressed to Elizabeth Titus Sweet’s brother Stephen Titus and sister-in-law Margaretta Titus living in Meigs County, Ohio.

The Fred Crawford Papers consists of the research material gathered by Central Michigan University Professor Fred Crawford from 1991 to 1998 for a biography on Lowell Thomas.

"Banjo Fred" Starner was a Professor of Economics at Drew University in New Jersey, but was dismissed due to his political activism. He was heavily involved in the Hudson River Sloop Clearwater, a project conceived by Seeger in which a ship would be constructed through community funding and sponsor environmental and folk education programs. He helped with the initial fundraising and was on the ship’s maiden voyage in 1969 as a crew member. Starner was involved in a number of other projects as well. Starner was fascinated by hobo culture. A significant amount of effort towards the end of his life was focused on producing the documentary film "That’s the Ticket Road Hog: The Hobo’s Song", released in 2009,