This work first published in Yugoslavia is in the public domain because its copyright expired pursuant to the Yugoslav Copyright Act of 1978 which provided for copyright term of the life of the author plus 50 years, respectively 25 years for photograph or a work of applied art. This applies to works already in the public domain before the breakup of SFR Yugoslavia in 1991.
The work meets one of the following criteria:
a) a work of known authorship and the author died before January 1, 1941
b) an anonymous work and it was published before January 1, 1941
c) a photograph or a work of applied art published before January 1, 1966
A source should be included so that the status can be verified.