Working files of the architectural historians Rudolf and Margot Wittkower, dealing with Baroque and Renaissance painting, sculpture, and architecture. Included are manuscripts, notes, drawings, annotated proofs of articles and books, and some correspondence related to his writings and lectures. The majority of the files document his teaching, research, and writing at the University of London, 1934-1955, and at Columbia University. There are also some manuscript notes from his early years in Italy and Germany. Series I has been divided into six parts: Artists, Subjects, Book Manuscripts, Proofs, Notes, and Printed Materials. Some of the major files are Bernini, Bramante, Carracci, Michelangelo, and Raphael (Artists); Baroque Painting, Patronage, Rome, St. Peter's, Slade Lectures on the history of art (Subjects); ART AND ARCHITECTURE IN ITALY, BORN UNDER SATURN, and MATTHEWS LECTURES: GOTHIC VS. CLASSIC (Book Manuscripts). In addition there are proofs of essays and reviews with manuscript corrections and emmendations, copies of several of his own published works with his manuscript corrections, and typescript insertions for new editions. The Notes consist of eight card file boxes with notes chiefly relating to the Baroque period and Bernini. Materials created by or related to Rudolf Wittkower's wife, the architect and interior designer Margot Holzmann Wittkower, can be found primarily in Series II, IV, V, and VI. Material created or maintained solely by Margot Wittkower is located in Series VI; however, material she shared with Rudolf Wittkower is located in Series II, IV, and V.

Correspondence, documents and manuscripts from late seventeenth and eighteenth century France, especially from the French Revolution, collected by Sam Schaefler. Authors include J.B. Colbert Torcy and the Duchesse Du Lude. Many of the items from the French Revolution represent the work of the Committee of Public Safety and the Committee of General Security. French Revolutionary leaders represented in the collection include François-Antoine Boissy D'Anglas, Jean-Baptiste-Noel Bouchotte, Pierre Joseph Cambon, Lazare Carnot, Jean-Marie Collot D'Herbois, l'Abbʹe de Fauchet, Philippe-Antoine Merlin de Douai, Jean Victor Moreau. C.A. Prieur-Duvernois, and Antoine Joseph Santerre. In addition, the collection includes a letter from the Danish physicist Hans Christian Oersted to Sir John Herschel, a letter by the French poet Romain Rolland, a document of the Philadelphia Artists' Fund Society of 1846 with signatures of its officers, and an autograph letter and a photograph of Henry Wadsworth Longfellow.

Correspondence, playscripts, screenplays, scenarios, short stories, and other manuscripts, drafts, photocopies, contracts and other documents, tearsheets, clippings, and other materials relating to his career as a screenwriter, playwright, and author of short stories. Correspondence with friends, students, admirers, and professional colleagues concern his teaching, playwriting, films, articles, photography, and literary topics. There are also two groups of letters from students and readers about his textbook, "The Human Nature of Playwriting" (1949). Among the cataloged correspondence are William Gibson, MacKinlay Kantor, Anna Louise Strong, Louis Untermeyer, and Carl Van Doren. Included are manuscripts, drafts, or photocopies of almost all his films, plays, and short stories, such as playscripts and drafts of his plays, "The Jazz Singer" (1922), "Skylark" (1939), "Jason" (1942), and others; screenplays and scenarios, many in photocopy, of "Trouble in Paradise" (1932), "The Merry Widow" (1934), "The Shop Aroung the Corner" (1940), "Suspicion" (1941), "Heaven Can Wait" (1943), and many other films; and manuscripts, drafts, tearsheets, and printed copies of his short stories and articles of film and television criticism. There are also many clippings and reviews, programs, and other printed materials about his plays and films.

Correspondence, manuscripts, notes, documents, photographs and printed materials of Frank. The collection reflects almost every aspect of his career, but especially his life in Germany, France, and England after his expulsion from Russia in 1922. Among the correspondents are Nikolaĭ Berdi︠a︡ev, Sergeĭ Bulgakov, Albert Einstein, Georgiĭ Florovskiĭ, Nikolaĭ Losskiĭ, Fedor Stepun, and Petr Struve; there are one or two items each from Vi︠a︡cheslav Ivanov, Bernard Pares, and Alekseĭ Remizov. There are also many letters from Semen Frank and his wife Tati︠a︡na to their son Viktor, and from Peter Struve's family to the Franks. Manuscripts for several of Frank's books are in the collection, such as "Svet vo tḿe" "Realńost ́i chelovek" and "Biografii︠a︡ P.B. Struve." Other manuscript materials by Frank include essays and lectures, outlines of courses he taught as a professor in Russia before his expulsion, and notebooks. There are also two poems by Vi︠a︡cheslav Ivanov. Among the printed works are Frank's Bible and offprints of his articles. There are photographs of Sergeĭ Bulgakov, Fedor Stepun, and of the Frank and Struve families.

The collection consists of approximately 100 articles by Seni︠u︡tovich (often signed Seni︠u︡tovich-Berezhnyĭ) on topics including genealogy, heraldry, military history, the history of Russia and the Ukraine, and the Russian emigration. There is also correspondence both to and from Seni︠u︡tovich, newsletters from the Ukrainian Genealogical and Heraldic Society, an autobiographical essay by Seni︠u︡tovich, and three photographs.

Correspondence, manuscripts, audio cassettes, photographs, and printed materials. The correspondence covers the years 1934 through 1999 and consists mostly of letters to and from James L. Weil, whose Elizabeth Press was Bronk's publisher from 1969 to 1981, from Eugene Canadé, an artist who illustrated many of Bronk's books, from Bronk's sisters, and from many friends. There are also letters from W.H. Auden; Paul Auster, Cid Corman (Bronk's first publisher and founder of ORIGIN, the magazine in which many of Bronk's early poems first appeared), Robert Creeley, Samuel French Morse, Gilbert Sorrentino, and many other well-known authors. The manuscripts include notebooks and binders containing handwritten and typed drafts of poems and essays. They document nearly all of Bronk's published writings including the collection of essays he completed in the 1940s which was published in 1980 as THE BROTHER IN ELYSIUM as well as the collection of poems published in 1981 as LIFE SUPPORTS: NEW AND COLLECTED POEMS for which Bronk won the American Books Award in 1982. There are also page proofs, photographs of Bronk, many audio cassettes of Bronk reading his work in the 1970s and the 1980s and printed materials

This collection of records document the professional and personal life of Wm. Theodore de Bary (1919-2017), the renowned scholar, educator, and university administrator who studied and served over decades at Columbia University. Types of files in this collection range from administrative files, correspondences, manuscripts, references, photographs, and audio-visual materials. The available materials showcase the different roles that de Bary had held in researching and scholarship-building, teaching, and administering.