Clandestine printed, stapled pamphlet with front cover design and print in color by H.N. Werkman. Published in Groningen in spring 1944 during the occupation of the Netherlands. Number 4 in de Voliere-reeks. Limited edition of 110 numbered copies. This is no. 77. De Jong no. 976. [12 pp.] 24 x 15,5 cm. Rare.