Problem, magazine for chess problems and problemists. no. 141-174
Problem, August 1971 - May 1976. Organe Officiel de la C.P.C.E. de la F.I.D.E. Red. Ing. N. Petrovic. Zagreb.
Sm. 4to. Half-linen. gilt lett. on spine. magazine with problems, studies, bibliographies etc. V.G.