Engel, D. J. (1987). In the shadow of Auschwitz: The Polish government-in-exile and the Jews, 1939-1942 / by David Engel. Univ. of North Carolina Press.

Engel, David Joshua. In the Shadow of Auschwitz: The Polish Government-in-exile and the Jews, 1939-1942 / by David Engel. Chapel Hill, NC: Univ. of North Carolina Press, 1987.

Engel, David Joshua. In the Shadow of Auschwitz: The Polish Government-in-exile and the Jews, 1939-1942 / by David Engel. Univ. of North Carolina Press, 1987.