by Peter Calvocoressi ; assisted by Ann Bristow ; foreword by Winthrop KnowltonPublished for International Publishers Association by Almqvist & Wiksell International1980
by Peter Calvocoressi ; assisted by Ann Bristow, Writers and Scholars Educational Trust, and Index on censorship ; foreword by Winthrop KnowltonPublished for International Publishers Association by Almqvist & Wiksell International1980