Mail art press book no 3 - Y5/P5 1961-; Y5/P5 1961-; Lombardi; Cohen, Riosuke 1948-; Grav', Tom; Carmona, Jean-Paul; Placid 1961-; Krabs 1963-; Captain Cavern 1956-; Richard, Bruno 1956-; Lefebvre, Françoise; Petchanatz, Christophe 1959-; et al. (Press book, 1985)