Consists of material which reflects the long careers of American educators, authors, and literary critics Willard and Margaret Thorp. Willard's papers (1923-1981) include correspondence, writings, class lecture notes, documents, journals and diaries, printed matter, photographs, and papers of others during his writing and teaching years at Princeton University. Margaret's papers (1917-1960) include writings, correspondence, journals, notebooks, and family sketchbooks and photographs.

Consists of selected letters and photographs of authors, poets, and friends collected by Alice Davis Tibbetts, secretary, companion, and romantic partner of Edgar Lee Masters.

Conists of personal papers of William Tipping Esq, of Brasted Park, Sevenoaks, in Kent, and Avray near Paris. He was the son of the successful Liverpool merchant John Tipping, who in his twenties traveled extensively in Europe and the Middle East before turning to Tory politics and serving as director of the London and North Western Railway.

Consists mainly of correspondence and manuscripts of Tobey (Princeton Class of 1940) from the period (1955-1976) when he was a member of the staff of the Turkish Ministry of Education in Samsun, Turkey, teaching English.

Consists of manuscripts of Calvin Tomkins (Princeton Class of 1947) for his first novel, Intermission (1951).

Ridgely Torrence was an American poet, playwright, and editor of The New Republic, and his papers document the literary activity and relationship of a large group of American writers between the years 1890 and 1950. Particularly well-represented are American poets William Vaughn Moody and Edwin Arlington Robinson.

Consists of approximately 100 letters and postcards addressed to Trigueiros from seven correspondents: Jorge Amado (1967-1995), António S. Celestino (1973), Manuel Ferriera (1959-1966), Jesué Pinharanda Gomes (1960-1995), António Guedes de Amorim (1947-1971), Afonso Lopes Vieira (1935-1944), and José Rodrigues Júnior (1958-1987).