Contains letters, notes, compositions, and other autograph manuscripts from Joseph Hume, Samuel Parr, C. G. Nees von Esenbeck, Voltaire, and others. Item (93) is addresssed to Sir Anthony Panizzi.

Compositions by Charles Sumner, chiefly speeches and speaking notes, and including quotations copied by him from books.

Letters to Charles Sumner, lawyer, Republican senator from Massachusetts, and anti-slavery campaigner; with a smaller number of letters from Sumner to others.

Letters of the American abolitionist Senator Charles Sumner to the antislavery activist Francis William Bird.

Letters from U.S. statesman Charles Sumner to American author and educator George Washington Greene.

Papers of the American senator and abolitionist Charles Sumner.

Scrapbook of items collected by American Senator Charles Sumner, including materials of his brother George Sumner.

Scrapbooks of clippings compiled by Charles Sumner, lawyer, Republican senator from Massachusetts, and anti-slavery campaigner.

A collection of items honoring statesman Charles Sumner.

Papers concerning the censure vote against U.S. Senator Charles Sumner.