Drawing
Evergreen Nature Trail Guide, page 11 illustrations and layout with preliminary sketches1940s
Watts, May Theilgaard
Drawing
Arboretum Landscape Teaching Aid Series: A Fence Long Gone Marked A Boundary1940 – 1960
Watts, May Theilgaard
Drawing
Arboretum Landscape Teaching Aid Series: Three Norway Spruces1940 – 1960
Watts, May Theilgaard
Drawing
Evergreen Nature Trail Guide, page 12 illustrations and layout with preliminary sketches1940s
Watts, May Theilgaard