Ostoja-Kotkowski, Stanisław, 1964-1991, Manuscript, PRG 919/5/15
Colour and black and white photographs and negatives of laser images and Ostoja-Kotkowski in glasses with a laser image behind him 1968 (PRG 919/5/7-14 A3 size OUTSIZE 1) (see also PRG 919/52/238-266).