Ter bezinking / Hetty HuismanIn verhouding / Hetty HuismanVoid Distributors presents... / [Hetty Huisman]Rounding the square / Hetty Huisman ; [vert. Nederlands-Engels: Sam Herman]A libel for libellus : libeller on grounds of mail art in the seventies / Hetty HuismanA libel for libellus : libeller on grounds of mail art in the seventies / Hetty HuismanIn Betrachtung / [von] Hetty HuismanHetty Huisman : gewicht en waarde van aarde 1970-'74 = weight and volume of [earth] 1970-'74Ceragenetics / Hetty Huisman ; [introd. David Zack]