The V. K. Wellington Koo papers document the diplomatic legacy of Wellington Koo as a Chinese statesman and diplomat of the 20th Century. The papers primarily consist of materials collected during Koo's diplomatic career, relating to the Lytton Commission, 1932-1933; the League of Nations, 1931-1940; the United Nations, 1944-1946; his ambassadorships to France, 1932-1941; to Britain, 1941-1946; to the United States, 1946-1956; as the Senior Advisor to the Republic of China from 1956; and as the Judge on the International Court of Justice, 1957-1966. The materials include correspondence, diaries, memoranda, manuscripts, documents, notes, speeches, maps, photographs, printed material, and audio visual material. The bulk of the materials emphasizes China's domestic and foreign affairs, such as the Sino-Japanese conflict, World War II and the Cold War in the Far East region, as well as the League of Nations and the United Nations.

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 collection contains Simonovich's correspondence, manuscripts, doucments, subject files, and printed materials. There are letters to Simonovich from a friend who had settled in Yugoslavia, A. S. Poplavskiĭ, and Belgian postcards from before World War I. Manuscripts deal with Simonovich's experiences in the Imperial army on the Caucasian front and in the White army under general Slashchev. There are also essays devoted to the Russian emigre colonies in Belgium and in France. The subject files concern the Belgian section of the Gallipolian Society (Obʺshchestvo Gallipolit︠s︡ev) and Russian emigre events in Belgium. The printed materials include chiefly miscellaneous journals and clippings, some with articles by Simonovich.

The papers consist of correspondence, autograph books, manuscripts, photographs and printed materials. There are letters from Mark Aldanov, Ivan Bunin, Antonin Ladinskiĭ, Vasiliĭ Nemirovich-Danchenko, Alekseĭ Remizov, Ivan Shmelev, Nadezhda Teffi and Boris Zaĭt︠s︡ev, as well as one letter each from Konstantin Balʹmont, Aleksandr Grechaninov, Vladislav Khodasevich, Aleksandr Kuprin, and Vladimir Nabokov. The autograph albums (owned by Marii︠a︡ A. Berman and Potresov) cover the years 1906-1907 and 1913-1948, respectively, and have entries by Balʹmont, Ivan Bilibin, Bunin, Nabokov, and Maksimili︠a︡n Voloshin, among others. The manuscripts include a poem by Mother Marii︠a︡ and articles, diaries, and a play by Potresov. The printed materials primarily consist of clippings of Potresov's articles in newspapers and journals. In addition to the loose clippings, there are six scrapbooks with clippings of Potresov's articles pasted in.

The collection includes correspondence, photographs, manuscripts and printed materials. There are letters from Ekaterina Kuskova (Mrs. S.N. Prokopovich) and photographs of Mark Aldanov, Marie Curie, Aleksandra Kollontaĭ, Ekaterina Kuskova, Pavel Mili︠u︡kov, Mikhail Osorgin, Sergeĭ Prokopovich and Nadezhda Teffi among others. The manuscripts include drafts and typescripts for several dozen articles and chapters as well as untitled manuscripts and notes. The printed materials contain clippings and offprints of articles by Prokopovich, periodicals he edited, and copies of his major books.

Collection of Russian and Eastern European emigre newspapers and periodicals published in Europe, North America, South America and Australia in the 20th century, also includes a number of newspapers published in Russia and the Soviet Union.

The papers consist of correspondence, memoirs, and printed materials. The correspondence is made up of letters sent by his mother, Olǵa Kostyleva, from Petrograd in 1916-1919. Kostylev's extensive manuscript memoirs (522 p.) discuss his life from his childhood and university education in St. Petersburg up into World War I. Also included are issues and clippings from "Slovo" and "Rus"́ with articles by Kostylev, and clippings from "Poslednie Novosti" by various newspapers.

Correspondence, manuscripts, diaries, documents, subject files and printed materials of Vorobév. Following the 1917 Revolution, Vorobév emigrated to Constantinople, Belgrade, and eventually to Nice. The correspondence dates from 1920 to 1950. The manuscripts primarily concern ethnography, agriculture and horticulture in the Black Sea region, and approximately half the manuscripts are by Vorobév himself. In addition, there are several diaries (dating from the 1940's) in which Vorobév recorded his professional activities. The documents include a number of contracts and receipts. The subject files cover a variety of topics including antisemitism, flora in the Kuban River region, notes on the "dance of death" and the Obshchestvo okhranenii︠a︡ russkikh kult́urnykh t︠s︡ennosteĭ (the Society for the Preservation of Russian Cultural Antiquity) in Paris, of which Vorobév was secretary. Among the printed materials are articles, clippings and maps.

The papers comprise correspondence, manuscripts, memoirs, diaries, personal documents, photographs, printed materials, periodicals, and clippings relating to the life and professional activities of Nataliia Logunova, a Russian émigré journalist and writer.

The papers consist of correspondence, manuscripts, photographs, a subject file, and printed materials. The correspondence includes a letter from Randall Thomas Davidson, Archbishop of Canterbury, and one from Nikolaĭ Roerich. There is an essay about Metropolitan Platon by I︠O︡ann Chepelev, and a number of photographs depicting church officials and White army leaders. There is a subject file concerning Platon's meeting in 1919 with President Wilson. The collection also contains articles and clippings by and about the Metropolitan, and there are several books and pamphlets as well. The materials were collected by his daughter and grandson; many of the items are photocopies.