The collection includes photocopies of letters by Josef Cardinal Mindszenty and an undated photograph of Pope Paul VI. The arranged correspondence dates from 1947 to 1980. There are manuscripts by a number of Hungarian emigres as well as by Pfeiffer himself. The subject files contain information on the Assembly of Captive European Nations. Among the printed materials are 49 folders of newspaper articles by or about Pfeiffer. In addition, there are seven reels of 7 1/2" audio tape containing interviews with Pfeiffer.

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

Most of the collection consists of manuscripts by Lebedev and others on Russian and East European literary and political topics from about 1914 to the 1930s. There are three microfilm reels of materials on Gavrilo Princip and the asassination of Archduke Ferdinand in Sarajevo, 1914. Correspondents include Hamilton Fish Armstrong and George F. Kennan. There are several drafts of articles by Mark Slonim and materials on the Socialist Revolutionaries in the emigration from about 1930. Lebedev's personal documents cover from his army service (the Russo-Japanese War), through the 1917 Revolution and Civil War, and his later life in Europe and the United States. There are photographs from interwar Albania and Bulgaria, including ones of Aleksandŭr Stamboliski. Printed materials include a copy of Lebedev's book "Novym putem" and issues of "Voli︠a︡ Rossii.".

The papers include correspondence, manuscripts, documents, printed materials, and photographs. Much of the correspondence concerns "Reka Vremen." Cataloged correspondents are Georgiĭ Adamovich, George Kennan, Vasiliĭ Maklakov, I︠U︡liĭ Margolin, Sofii︠a︡ Pregeĺ Harrison Salisbury, I︠U︡riĭ Terapi︠a︡no, Nikolaĭ Uli︠́a︡nov, and Edmund Wilson. There are manuscripts of several stories by Olǵa, and of her biography of Vladimir; also included are the memoirs of N.N. Savvin about the St. Petersburg Polytechnic Institute. Printed materials include articles about Vladimir and his obituaries. There is a photograph of the "Normandie" coming into an American port in the 1930s.

Correspondence, manuscripts, diaries, documents, subject files and printed materials of Vera Vinter and of her husband, Viktor. There are letters from Igor ́Sikorskiĭ. All the correspondence dates from 1919 to 1969. Much of it concerns Vinter's scientific work dealing with the chemical analysis of milk. The manuscripts are primarily by Viktor Vinter himself, and include a number of articles he published in Czech, German, Finnish and American scientific journals. There are several diaries, notebooks and scrapbooks relating to his scientific endeavors. Among the documents are medical statements concerning his World War I injury, passports, and two folders relating to patents. The photographs are chiefly of the Vinter family. The printed materials include journals containing articles by Vinter.

Manuscripts, a document, photographs and printed material of Voront︠s︡ev-Veli︠́a︡minov. The memoirs cover the 1917-1920 period, including his work in armament factories, his travels throughout Russia, and his eventual emigration to Serbia. There is a detailed curriculum vitae dated 1924, a number of photographs of Belgium, and several clippings and handwritten excerpts from newspaper articles.

The collection contains correspondence, manuscripts by Marchenko and others, documents, photographs, printed materials, notebooks, notes, and subject files. Correspondence consists of Marchenko's personal correspondence and the correspondence of the Kronstadt Group, an anti-communist emigre organization. Manuscripts consist mostly of articles by Marchenko on the economy of the Soviet Union, many of them published. Printed materials include mimeographed materials, pamphlets, clippings, maps, and copies of several anti-Communist periodicals. Marchenko's notes and notebooks cover topics on economics, the Soviet Union and the Russian language. Subject files include information on the Institute for the Study of the U.S.S.R. (Munich) and the Kronstadt Group.

The papers include correspondence, subject files, photographs, and printed materials. The majority of the collection concerns the mission of the American Red Cross to Russia in 1917-1918; Thacher served as a secretary of the mission. There are letters and telegrams by W.B. Thompson and Raymond Robins, records of supplies, shipments, and distribution reports and over 600 photographs from Russia, China, and Romania. There is substantial correspondence from 1918-1919 concerning Russia, including letters by Louis Brandeis, Felix Frankfurter, and Lillian Wald. A substantial part of the collection concerns Russian war relief in 1941-1942, an area in which Thacher was active. Printed materials include a pamphlet and an article on Russia prepared by Thacher after his return from that country in early 1918.

Proofs, photographs, photostatic copies, and other printed materials of Roscoe. Included are proofs and illustrative materials for his book The Web Of Conspiracy; The Complete Story Of The Men Who Murdered Abraham Lincoln, and a printed copy of his book, Only In New England, a book of crime fiction.

Letters addressed to the Cranes from various members of the Crane and Howorth families, and from prominent literary figures such as Joseph Conrad, Henry James, H.G. Wells, George Bernard Shaw, Hamlin Garland, Elbert Hubbard, and Rider Haggard. A number of these letters relate to Cora Crane's activities after Stephen Crane's death, but the majority have to do with life at Brede Place in Sussex. Also present are a number of holograph manuscripts of Stephen Crane's literary works and manuscripts and typescripts of other material which he dictated. There is a group of stories and articles by Cora Crane, some pictures, photographs, art, and memorabilia. Also, seventy-four books from Crane's library, many of them signed.