Drawing
Evergreen Nature Trail Guide, page 13 illustrations and layout with preliminary sketches1940s
Watts, May Theilgaard
Drawing
Arboretum Landscape Teaching Aid Series: Affirmation from Memories of Old Settlers, Part II1940 – 1960
Watts, May Theilgaard
Drawing
Evergreen Nature Trail Guide, page 14 illustrations and layout with preliminary sketches1940s
Watts, May Theilgaard
Drawing
Forest Nature Trail Guide, page 15 illustrations and layout with preliminary sketches1946
Watts, May Theilgaard
Drawing
Evergreen Nature Trail Guide, page 15 illustrations and layout with preliminary sketches1940s
Watts, May Theilgaard
Drawing
Arboretum Landscape Teaching Aid Series: A River Emerged From Under A Glacier1940 – 1960
Watts, May Theilgaard
Drawing
Forest Nature Trail Guide, front cover/page 1 illustrations and layout w/ preliminary sketches1946
Watts, May Theilgaard
Drawing
Forest Nature Trail Guide, back cover/page 16 illustrations and layout with preliminary sketches1946
Watts, May Theilgaard
Drawing
Evergreen Nature Trail Guide, back cover/page 16 illustrations and layout with preliminary sketches1940s
Watts, May Theilgaard