Prev Next MAIL ART NETWORK Letter from Kalkmann 1972-04-00 Hans-Werner Kalkmann, West Germany Sent from: Bad Salzdetfurth, West Germany Medium: Paper, Typed letters, Pen Category: Letter, CFP Dimensions (cm): 29.7 x 21 Pages: 1 Subject: hans-werner kalkmann, central administration of artistic environmental defence, this is not a game