Blue, green and black ink sketches on thirteen sheets of tracing paper, 12x11 to 12x28 inches, two sheets of graph paper, 8-1/2x11 inches, and one sheet of white paper, 8-1/2x11 inches, one initialed and dated 2/8/87 and three initialed and dated 6/5/87 with notation "Columbus"
Colored ink sketches with marker coloring on twelve sheets of tracing paper, 18-1/4x12 to 35-1/2x18 inches, two initialed and dated 6/20/88 and one initialed and dated 7/88
Blue ink and purple pencil sketch on tracing paper, initialed, 33x18 inches
Black and brown ink sketches on ten sheets of tracing paper, 11-1/2x12 to 25x12 inches, and four electrostatic prints with marker coloring, 24x18 inches
Black ink and red pencil drawing on vellum with gray and green marker coloring, initialed, 14-3/4x14 inches
Pencil and green pencil drawing on two sheets of vellum, 21x22 & 21-3/4x21