Drawing
Forest Nature Trail Guide, page 10 illustrations and layout with preliminary sketches1946
Watts, May Theilgaard
Drawing
Evergreen Nature Trail Guide, page 8 illustrations and layout with preliminary sketches1940s
Watts, May Theilgaard
Drawing
Arboretum Landscape Teaching Aid Series: Confirmation from Old Maps1940 – 1960
Watts, May Theilgaard
Drawing
Arboretum Landscape Teaching Aid Series: Indian Trails and Villages1940 – 1960
Watts, May Theilgaard
Drawing
Evergreen Nature Trail Guide, page 9 illustrations and layout with preliminary sketches1940s
Watts, May Theilgaard
Drawing
Forest Nature Trail Guide, page 11 illustrations and layout with preliminary sketches1946
Watts, May Theilgaard
Drawing
Evergreen Nature Trail Guide, page 10 illustrations and layout with preliminary sketches1940s
Watts, May Theilgaard