Sol LeWitt, Wall drawings: Houston and Portland

Two amazing photocopy-type catalogues/ artists' books, all texts in facsimile handwriting by the artist. Includes:: (1) Sol LeWitt/ Six Wall Drawings. Arcs with Straight Lines, Not-straight Lines and Broken Lines. Houston, Cusack Gallery, 1973. Staple bound, 21.5 x 14 cm, 16 pp. Age browning to covers, mint interior.

(2) Sol LeWitt/ Wall drawings. Seventeen Squares of Eight Feet with Sixteen Lines and One Arc. Portland, Portland Center for the Visual Arts, 1973. Staple bound, 21.5 x 14 cm. Mild age spotting to paper edges on upper margin, else very good. Both copies first edition, unknown print run. With small round sticker of Art & Project Amsterdam on back covers. (total 2)