El drama de Polonia. (The Black Book of Poland). Buenos Aires:

• El drama de Polonia.(The Black Book of Poland). Buenos Aires: Editorial Clarida, S.A. 1945 B5 pp. 491, nlb. 5, plates 187.Hardcover.
  
• (Black Poland - a report

published in 1942 by the Ministry of Information of the Polish government-in-exile, describing the atrocities committed by Germany in occupied Poland during the 22 months between the invasion of Poland in September 1939 and the end of June 1941.Editorial Clarida, S.A. 1945 B5 pp. 491, nlb. 5, plate 187. (Black Book of Poland, a report published in 1942 by the Ministry of Information of the Polish government-in-exile, describing the atrocities committed by Germany in occupied Poland during the 22 months between the invasion of Poland in September 1939 and the end of June 1941.)