Author's The big notebook, c1988 CIP t.p. (Agota Kristof)
Her Beweis, c1989 t.p. (Agota Kristof) jkt. (b. 1935 in Hungary; since 1956 in Switzerland)
German Wikipedia WWW site, July 28, 2011 (Ágota Kristóf; b. Oct. 30, 1935, Csikvánd, Hungary; d. July 27, 2011, Neuenburg; Hungarian-Swiss author who wrote in French)