Knock-out. Wielkie Pranie. Karykatur Poznańskich Serja Druga.
Poznan: Ksiȩgarnia J. Dippla, 1930. First edition. In publisher’s illustrated wrappers. 35 [5] p. Stunning Avant-Garde cover design by Jan Jerzy Wroniecki. Both Swinarski and Wroniecki were members of Zdroj. Bibl.: Rypson 31 p. More