LEWANDOWSKI, Wacław. Donosy na Józefa Mackiewicza. Archiwum Emigracji, [S. l.], p. 173–180, 2009. DOI: 10.12775/AE.2009.023. Disponível em: https://apcz.umk.pl/AE/article/view/AE.2009.023. Acesso em: 2 lip. 2025.