Contemporary visions, lot of 4

Includes: Achille Bonito Oliva, Contemporanea. Firenze, Centro Di, 1973. Catalogue for extensive exhibition combing art, concrete poetry, theatre, cinema, architecture and design at Villa Borghese Rome, 574 pp. + The New Avant-Garde, Issues for the Art of the Seventies by Gregoire Muller, New York, Praeger, 1972. Photos and text on Flavin, Lewitt, André, Smithson, Nauman and others, 178 pp.

+ Demonstrative Fotografie, published by Heidelberger Kunstverein, 1974. Baldessari, Becher, Boltanski, Hans Peter Feldmann et al, 69 pp. + Southern California, Attitudes 1972. Edited by Barbara Haskell for the Pasadena Art Museum, 1972. Features John Baldessari among others, 40 pp. All fine publications with regular age toning to covers.