BARTH, John (b.1930). Five issues of The Sod Weed Factor, comprising: New York, 1960. Dust jacket. FIRST EDITION, SIGNED BY BARTH. -- London, 1961. Dust jacket. FIRST ENGLISH EDITION, SIGNED BY BARTH. -- New York, 1964. Pictorial wrappers. "Universal Library Edition," SIGNED BY BARTH. -- Garden City, 1967. Dust jacket. Revised edition, INSCRIBED BY BARTH. -- Franklin Center, Penn., 1980. LIMITED EDITION, SIGNED BY BARTH. (5)