"The archive is large, currently containing, in addition to printed editions and translations of his books, approximately 300 boxes/volumes of manuscripts, including plot outlines and source studies, and some unpublished literary works. There are also 75 boxes of correspondence (access restricted), some 40 boxes/volumes of press cuttings, 400 audio cassettes and 70 video cassettes, as well as miscellaneous material such as photographs and wartime pamphlets."