Drawing
Arboretum Landscape Teaching Aid Series: A Fence Long Gone Marked A Boundary1940 – 1960
Watts, May Theilgaard
Drawing
Arboretum Landscape Teaching Aid Series: Know, Know, Know Your Oaks, This Is How They Grow1940 – 1960
Watts, May Theilgaard
Photographic image
Education charts: Twigs, #3
Drawing
Forest Nature Trail Guide, page 12 illustrations and layout with preliminary sketches1946
Watts, May Theilgaard
Drawing
Forest Nature Trail Guide, page 3 illustrations and layout with preliminary sketches1946
Watts, May Theilgaard
Photographic image
Poster of botanical items
Photographic image
Quercus alba (white oak) and Quercus macrocarpa (bur oak), acorns detailDecember 1972
Reynolds, P. J.