The letters of Anton Pavlovich Tchehov to Olga Leonardovna Knipper - Chekhov, Anton Pavlovich 1860-1904.; Chekhova, Ol'ga Leonardovna (Knipper) 1868-1959.; Garnett, Constance (Black), 1862-1946 ed. and tr. (New York B. Blom, 1966)