Most read articles by the same author(s)

• Karol Sacewicz, The National Armed Forces against the communist underground. The orders of the secret service of 15 March 1943 , Echa Przeszłości: No. IX (2008)
• Witold Gieszczyński, Human Migration on the Territory of the Former East Prussia After the Second World War , Echa Przeszłości: No. XII (2011)
• Karol Sacewicz, Operation “Cedar Falls” (8–27 January 1967) in the light of the reports of the Second Department of Polish General Staff , Echa Przeszłości: No. XXIII/2 (2022)
• Karol Sacewicz, The goals and the scope of cooperation between the Ministry of Internal Affairs and the Ministry of Foreign Affairs in counteracting the development of communist organizations in the Second Republic of Poland in the light of Jan Bach's letter of 19 Februa , Echa Przeszłości: No. XI (2010)
• Karol Sacewicz, The Organisation and Operations of the Communist Movement inPoland in 1918-1925 in the Light of the Report of the Security Department of the Ministry of Internal Affairs , Echa Przeszłości: No. X (2009)
• Karol Sacewicz, Concepts of the Political and Military Position of the Polish Underground State in Response to the Red Army's Invasion of the Eastern Territories of the Second Republic of Poland (1943-1944) - a Broad Outline , Echa Przeszłości: No. XII (2011)
• Witold Gieszczyński, “Some Reflections on the Book Entitled The Crisis of December 1970 in the Light of the Documents and Materials Compiled by Władysław Kruczek’s Committee and the Testimonies of the Members of the State Apparatus”, edited by Marek Jabłonowski, Włodzimierz J , Echa Przeszłości: No. XXIII/1 (2022)
• Witold Gieszczyński, Academic Conference: Underground Press in the People's Republic of Poland, Olsztyn, 3-5 November 2010 , Echa Przeszłości: No. XII (2011)
• Witold Gieszczyński, Radosław Gross, Economic transformations in rural areas of the Region of Warmia and Mazury in 1945-1956, Olsztyn 2019, pp. 679 , Echa Przeszłości: No. XX/2 (2019)
• Witold Gieszczyński, 11th Convention of the Polish United Workers's Party (1990), elaboration, selection and pre-press preparation: M. Jabłonowski, W. Janowski, G. Sołtysiak , Echa Przeszłości: No. XVII (2016)