Sketchbook (Page 15)
Sketchbook (Page 27)
Sketchbook (Page 30)
Sketchbook (Page 31)
Sketchbook (Page 32)
Sketchbook (Page 33)
Sketchbook (Page 36)
Sketchbook (Page 42)
Sketchbook (Page 55)
Sketchbook (Page 71)
Sketchbook (Page 74)
Sketchbook (Page 77)
Sketchbook (Page 79)
Sketchbook (Page 80)
Mexicans on Horseback
Greeting card
Reclining nudes
Reclining nudes
Print of painting: Action on Addiction
Print of painting: Action on Addiction
Copper engraving plates
Copper engraving plates
Tree-stump scene lithograph
Tree-stump scene lithograph
Mutual Dislike
Sketchbook (Page 4)
Sketchbook (Page 6)
Sketchbook (Page 8)
Sketchbook (Page 16)
Sketchbook (Page 20)
Sketchbook (Page 22)
Sketchbook (Page 23)
Sketchbook (Page 28)
Sketchbook (Page 29)
Sketchbook (Page 38)
Sketchbook (Page 50)
Sketchbook (Page 59)
Sketchbook (Page 61)
Sketchbook (Page 62)
Sketchbook (Page 64)
Sketchbook (Page 66)
Sketchbook (Page 69)
Sketchbook (Page 73)
Sketchbook (Page 75)
Sketchbook (Page 78)
Sketchbook (Page 82)
Getting in a Flap
Women at Work
Beggars gathered outside church entrance
Portrait head
Portrait head
Conditional Probability Machine
Conditional Probability Machine
Conditional Probability Machine