LIB-3247.2023 June Kysilko Kraeft, Norman Kraeft. Armin Landeck: The catalogue raisonné of his prints / Second edition, revised and enlarged. — Carbondale: Southern Illinois University Press, 1994©.
LIB-0330.2015 Письма Азефа: 1893-1917 / Сост. Д. Б. Павлов, З. И. Перегудова. — М.: Изд. центр «Терра», 1994.
