Literature on Ludwik Ehrlich
Patrycja Grzebyk, Rafał Tarnogórski (eds.), The Force of Law Instead of the Law of Force. Ludwik Ehrlich and His Contribution to the Development of International Law and International Relations Studies, PISM, Warsaw 2020, pp. 428, ISBN (pb) 978-83-66091-41-2; ISBN (pdf) 978-83-66091-46-7
Tomasz Pugacewicz, Ludwik Ehrlich 1889-1968. Pioneer of International Relations Studies in Poland, Politeja 2011, No. 3(17)
Tomasz Pugacewicz, International Relations Studies in Ludwik Ehrlich’s Concept, Stosunki Międzynarodowe 2018, No. 54(1)
Interview with Ludwik Ehrlich’s son “My Father as I Remember Him…”