Right Side Head and Shoulder Study of a Dall Ram
Natural Black Chalk and Natural White Chalk on Handmade Blue Laid Paper
10 3/8 x 13 3/4 inches

Tocchi di Rosso; Head and Shoulder Study of a Snow Leopard Turning to the Left
Natural Black Chalk and Natural Red Chalk on Handmade Off-white Wove Paper
10 1/2 x 13 3/4 inches

Study of a Juvenile Dall Sheep Scratching its Neck
Natural Red Chalk and Natural White Chalk
On Handmade Wove Paper
13 3/4 x 10 5/8 inches

Frontal Study of a Coyote on Alert
Natural Red Chalk and Natural White Chalk
On Handmade Laid Paper
13 3/4 x 10 3/4 inches

Right Side Frontal Study of a Grizzly Bear
Natural Red Chalk
On Handmade Wove Paper
10 5/8 x 13 1/2 inches

Left Side Head Study of a Panting Gray Wolf
Natural Red Chalk
On Handmade Wove Paper
8 x 10 1/2 inches

Study of a Gray Wolf Looking Down
Natural Black Chalk and Natural White Chalk
On Handmade Wove Paper
10 1/4 x 13 3/4 inches

Study of a Grizzly Bear's Stride
Fine Goldpoint, Electrum Goldpoint, Fine Silverpoint
With Italian White Marble Heightening
On French Orange Ocher Prepared Wove Paper
10 1/2 x 13 1/2 inches

Left Side Study of a Bald Eagle
Electrum Goldpoint
Fine Silverpoint and Natural Red Chalk with White Heightening
On Italian Yellow Ochre Prepared Wove Paper
10 1/2 x 13 5/8 inches

Frontal Study of a Navajo Woman Looking Down
Natural Red Chalk
9 x 7 inches

Right Side Study of a Snorting Bull Moose
Metalpoint with Lead White Heightening
On Bohemian Green Earth Prepared Paper
7 x 10 inches

The van Eyck Moose
Electrum Goldpoint, 15th Century Silverpoint, Fine Silverpoint
With Lead White Heightening
On Natural Red Chalk Prepared Paper
9 x 7 7/8 inches

Study of a Bull Moose Crossing
the Snake River
Electrum Goldpoint
With Lead White Heightening
On Italian Ochre Prepared Paper
8 x 10 inches

Frontal Study of a Walking Brown Bear
Fine Goldpoint, Electrum Goldpoint, Fine Silverpoint,
with Italian White Marble Heightening,
on Natural Red Chalk Prepared Paper
8 x 10 inches

Frontal Study of a Striding Brown Bear
Fine Goldpoint, Electrum Goldpoint, Fine Silverpoint,
with Lead White Heightening,
on Bohemian Green Earth and Indigo Prepared Paper
6 x 9 inches

Right Side Head Study, Harris' Hawk Looking Down
Fifteenth Century Silverpoint with Lead White Heightening on Natural Red Chalk Prepared Paper
7 1/2 x 10 inches

Study of a Raven's Skull, Top View
Fifteenth Century Silverpoint with Natural White Chalk Heightening on Natural Bohemian Green Earth Prepared Paper
7 1/2 x 9 inches

Study of an Infant's Right Foot
Fine Silverpoint with White Heightening on Natural Bohemian Green Earth Prepared Paper
6 1/2 x 6 3/4 inches

Portrait Study of a Five Year-Old
Navajo Girl
Silverpoint with Italian White Marble Heightening
5 3/8 x 7 inches

Bull Turning Right
Natural Red Chalk
8 1/8 x 11 inches

Left Side Study of a Horse Looking Back
Natural Red Chalk
7 x 8 1/8 inches

Brahma Bull, Left Side Study
Natural Red Chalk
7 x 10 3/8 inches