Sketch consisting of thirteen small, abstract compositions drawn by Mary Henry while on a two-week vacation on the Hawaiian island of Kauai.

Sketch of a spider lily drawn by Mary Henry while on a two-week vacation on the Hawaiian island of Kauai.

Untitled drawing by Mary Henry. Date of drawing unknown.

Sketch consisting of fifteen small, abstract compositions drawn by Mary Henry while on a two-week vacation on the Hawaiian island of Kauai.

Untitled ink and pencil sketches by Mary Henry, date unknown.

Untitled drawing by Mary Henry, accompanied by mathematical calculations.