Olejnik L. „Ochotnik” – łódzkie propagandowe wydawnictwo z czasów wojny polsko-bolszewickiej. In: Jarno W, Waingertner P, editors. Łódź and Łódź Residents in the Context of the Polish-Bolshevik War of 1920 [Internet]. Poland: Lodz University Press; 2020 [cited 2026 Feb. 9]. pp. 153-74. (, editor. 100 Years of Independence). Available from: https://press.uni.lodz.pl/index.php/wul/catalog/book/258/chapter/712