76/ 251 [Cobra]. Reflex. Orgaan van de experimentele groep in Holland. No. 1 and 2. (Amst., Experimentele groep, 1948/ 1949), 2 vols., (8); (16)p. (incl. wr.), 8 lithographs by C.K. APPEL, E. BRANDS, CONSTANT, CORNEILLE (2x), J. NIEUWENHUYS, A. ROOSKENS and TH. WOLVECAMP, orig. lithogr. wr. by CORNEILLE and J. DOUCET, 4to.

- No.1: frontwr. loose and yellowed; lacks backwr. No. 2: wr. loose, yellowed and frayed.

= All published. Slagter p.33/34 and passim.