= One of 200 copies of the "Vorzugsausgabe" with 3 loosely inserted woodcut ex libris.

Hausherr, S. (ed.). Traumgestalten. Das Exlibris-Werk von Gregor Rabinovitch. Zurich, Limmat, 2006, 144p., (col.) ills., w. loosely inserted French translation of the biographical essay, orig. cl.

= Contains a complete illustrated list of all the ex libris by the artist.

Koch, R. Rudolf Koch Ex Libris Werkverzeichnis. N.pl., the artist (?), n.d., unpaginated, signed etched self-portrait, woodcut plates, ills., printed in 200 numb. copies, orig. boards. - AND 23 (sm.) others on German and German speaking ex libris artists, partly with an oeuvre-catalogue, i.a. H. Höppener-Fidus, R. Nägele, R. Niess, H.S. Ott, M.E. Philipp, G.W.A. Stauf, H. Vogeler and O. Volkamer.