Graczyk K. Marian Małecki, “From under the Blade of the Guillotine. The Criminal Trial for Espionage in the Third Reich in the Light of the Files Concerning Gertrude Spruce and the U-2 Group of the Home Army”. Zabrze—Tarn. Góry, Inforteditions Publ. House, 2019. zdp [Internet]. 2020 Jul. 10 [cited 2026 Nov. 10];13:425—430. Available from: https://journals.us.edu.pl/index.php/zdp/article/view/12163