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
Drawing
Forest Nature Trail Guide, page 3 illustrations and layout with preliminary sketches1946
Watts, May Theilgaard
Drawing
Forest Nature Trail Guide, page 6 illustrations and layout with preliminary sketches1946
Watts, May Theilgaard
Photographic image
Education charts: Twigs, #3
Photographic image
Tree Book
Photographic image
Acer saccharum (sugar maple), Quercus rubra (red oak), Tilia americana (American basswood), seedlingsMay 18 1973
Photographic image
Quercus rubra (Northern Red Oak), bark, matureSeptember 18 2009
Hedborn Jr., Edward A.
Photographic image
Quercus rubra (Northern Red Oak), bark, matureOctober 29 2008
Hedborn Jr., Edward A.
Photographic image
Quercus rubra (Northern Red Oak), bark, matureNovember 24 2008
Hedborn Jr., Edward A.
Photographic image
Quercus rubra (Northern Red Oak), bark, matureNovember 24 2008
Hedborn Jr., Edward A.