Vermont, None, 14" x 20", 1979

Catalog: C188

Ink, 5" x 7", 2008

Catalog: D117

Graphite, 14" x 20", 1986

Catalog: C126

Graphite, 18" x 24", 1990

Catalog: B87

Other, 18" x 24", 1991

Catalog: B42

Ink, 8" x 11" , 1969

Catalog: F129

Graphite, 18" x 24"

Catalog: B94

Acrylic, 10" x 14"

Catalog: G2

Ink, 18" x 24", 1990

Catalog: F126

Graphite, 18" x 24", 1986

Catalog: B83

Charcoal, 14" x 20"

Catalog: C147

Graphite, 14" x 20", 1986

Catalog: C118

Ink, 22" x 30"

Catalog: F128

New York, Charcoal, 12" x 18"

Catalog: F125

Graphite, 18" x 24", 1986

Catalog: B85

Graphite, 14" x 20"

Catalog: C116

Graphite, 14" x 20", 1986

Catalog: C120

Graphite, 14" x 20"

Catalog: C122

Graphite, 14" x 20"

Catalog: C124

Charcoal, 14" x 20"

Catalog: C145

Ink, 4" x 6"

Catalog: D120

Ink, 4" x 6"

Catalog: D121

Ink, 4" x 7", 1991

Catalog: D124

Ink, 4" x 7"

Catalog: D125

Ink, 3" x 6"

Catalog: D126

Graphite, 7" x 10", 1987

Catalog: D3

Ink, 10" x 12"

Catalog: D75

Ink, 10" x 12"

Catalog: D76

Ink, 11" x 14", 1973

Catalog: F104

Ink, 9" x 12"

Catalog: F105

Charcoal, 22" x 30"

Catalog: F119

Graphite, 16" x 20", 1967

Catalog: F120

Graphite, 14" x 20", 1970

Catalog: F13

Graphite, 11" x 14", 1970

Catalog: F16

Graphite, 11" x 14", 1970

Catalog: F17

Ink, 9" x 11"

Catalog: F31

Ink, 11" x 14", 1969

Catalog: F32

Graphite, 6" x 7", 1971

Catalog: F34

Charcoal, 13" x 15"

Catalog: F44

Print, 9" x 11"

Catalog: F74

Graphite, 11" x 14", 1969

Catalog: F78

Graphite, 6" x 9", 1971

Catalog: F79

Charcoal, 5" x 7"

Catalog: F88

Ink, 11" x 13", 1961

Catalog: F91

Ink and wash, 22" x 8"

Catalog: E4