Publicado por Composer/Performer Edition, Sacramento, California, 1973
Librería: William Allen Word & Image, London, Reino Unido
Condición: Near fine. Set of 10 postcards. INTERNATIONAL SOURCES, issue 11, SOURCE: Music of the Avant Garde, eds. Ken Friedman and Stan Lunetta, Composer/Performer Edition, Sacramento, California, 1973. Each postcard features a photograph of a work which related to the contents of the issues, including Maurer, Christo, Ken Friedman, Endre Tót, Nam June Paik, Stanley Marsh III, Stu Horn, Jaroslaw Kozlowski, Gyula Gulyas and Per Kirkeby.