The collection consists of works, correspondence, photographs, and printed matter of Kahler and some papers of other people. The collection contains typed manuscripts with the author's corrections of Der Deutsche Charakter in der Geschichte Europas , The Jews Among the Nations , Man theMeasure , The Meaning of History , Out of the Labyrinth , Die Philosophie von Hermann Broch , The Tower and the Abyss , and a new preface to Man the Measure , as well as addresses, articles, reports, essays, and lectures, many on Thomas Mann. There are letters to Kahler and his wife, Alice, by such correspondents as John Berryman, Jorge Guillen, Aldous Huxley, Lewis Mumford, and Sean O'Faolain, and copies of Kahler's letters to editors. Also included are original works of Lewis Mumford, Hermann Broch, and Thomas Mann, including a lecture (1936) by Mann on Freud. A recent accession is a group of approximately twenty letters relating to the festschrift for Kahler that was edited by Eleanor L. Wolff and published in 1951; among them is a fifteen-line carbon typescript of Albert Einstein's contribution entitled "Fleisszettel."