Title: Het vrije boek in onvrije tijd
First published: 1958
Description: Het vrije boek in onvrije tijd.
Bibliografie van illegale en clandestiene belletrie.
(d.i. a catologue of known illegal prints  of poems during the occupation of the Neteherlands by the Germans; 1940-1945)

Author: de Jong, Dirk
Preface: la Fontaine Verwey, Prof. Mr. H. de; Kamphuis, 

Publisher: INTERBOOK INTERNATIONAL B.V. Schiedam
Year: 1978
Hardcover, 341 pages.
Subjects: Bibliography, World War, 1939-1945, Underground literature, Dutch literature
LC classification: Z6514.U5 J63