Hans Ruedi Fricker (CH)
● envelopes / borítékok 1987 ● envelopes / borítékok 2007 ● Artistamp1987 ● Icon ●
● FLUX FLAGS ● International Hungary ● BUDA RAY UNIVERSITY ● NETWORKER POST ●
● ParaStamp ● ParaPoster ● bridgework ● MONUMENT SQUARE ● Duchamp100 ●
● de.wikipedia ● TAGBLATT ● SWISS MISS ● Mail Artists Index ● SCHWYZKULTUR ●
● After Dadaism, Fluxism, Mailism comes Tourism ●