Penck,A.R.
My protocol. 3rd Bitterfeld Conference. (Hdbg.), Edit. Staeck (1993). Gr.8°. With ca. 100 mostly polych. ills. and diary entries on ca. 200 nn. pp., as well as 1 sign. Orig. graphic. Olwd. with col. ill. OU. in opp. slipcase. - No. 65 of 100 copies of the special edition.