This collection includes drafts of speeches and poetry and letters written by Cuban vanguard poet, Regino Pedroso. Also included are photographs, materials about Pedroso, and a postcard to Pedroso from Langston Hughes.

A collection of over 150 personal and professional letters written to, from, or between members of the Richards and Lincoln families of Massachusetts and Illinois, 1754 to 1880. Also present are 60 related documents, including manuscripts, financial records, land records, probate records, and other materials.

A collection of non-book material, much of it printed ephemera, acquired with the University's purchase of the 6000-volume personal library of the American poet Robert Creeley. The collection includes printed mailings and other announcements, periodical issues, broadsides, and posters, as well as photographs, photocopied texts of various kinds, and a small manuscript component.

A group of nearly 200 personal letters from the 1880s and 90s written home to Delaware by a young man named Seymour Howard Stone. Many are from the San Luis Valley of south-central Colorado, where Stone was trying to establish a farm.

A collection of personal papers of the "millionaire socialists" Anna Strunsky Walling and William English Walling and their family, mostly dating from the 1920s and 30s. Included are more than 500 letters to, from, and between Strunsky-Walling family members, and two diaries of Anna Strunsky Walling.

The papers consist of letters, manuscripts, and phototgraphs, as well as book and journal publications, related to Lifshits, Genkina, and Loseff. The collection also includes material of Irina Kichanova-Lifshits, Boris Semenov, and Mikahil Eremin.

The Civil War letters, wartime manuscripts and postwar family papers of William Judson Howe (1838-1925) of Bradford County, Pennsylvania, who served in Company C of the 7th Pennsylvania Cavalry from 1862 to 1865.