Lithograph in colors on Arche, 1968, signed and dated in pencil, numbered 44/75; together with Norman Mureno:Repaired Stone and Earthwork, Arebury Stone Circle, aquatint on wove paper, 1978, signed, title and dated in pencil, numbered 54/100; and Robert Schutz: Untitled, lithograph in black on wove paper, 1996, signed and dated in pencil, numbered 8/100; and 20th Century School: Autumn Evening, aquatint in colors on wove paper, indistinctly signed and titled in pencil, numbered 150/200; Untitled, lithograph in colors on wove paper, 1975, indistinctly signed and dated in pencil, numbered 8/42; and Peter Phillips: Dreaming, screenprint in colors on wove paper, 1974, signed and dated in pencil, numbered 37/70. 20 x 26 in. (sheet, unframed), 26 x 27 1/2 in. (sheet, unframed), 20 x 16 in. (sheet, unframed), 22 1/2 x 24 1/2 in. (sheet, unframed), 28 x 36 in. (sheet unframed), 25 1/2 x 32 1/2 in. (sheet, unframed). Condition: Paysage Verte with margins, some very pale surface soiling in margins. Inscribed 'Hayden Paysage Vert' on the reverse. Remains of old glue at the reverse of the top sheet. Repaired Stone with full margins, some pale surface soiling and a small pale stain in the margins. Untitled a tiny fox mark at top, otherwise in overall good condition. Untitled creasing and surface soiling. Dreaming with full margins in very good condition.,