Full text in PDF* Timothy Snyder, "Sketches from a Secret War: A Polish Artist's Mission to Liberate Soviet Ukraine", Yale University Press, 2005, ISBN 0-300-10670-X (p.41, p.42, p.43) Describes the careers of Henryk Józewski.
* Timothy Snyder, "Sketches from a Secret War: A Polish Artist’s Mission to Liberate Soviet Ukraine", Yale University Press, 2005, ISBN 0-300-10670-X, (s.41, s.42, s.43)* Richard Woytak, "The Promethean Movement in Interwar Poland, " "East European Quarterly", vol.