Drawing
Arboretum Landscape Teaching Aid Series: Affirmation from Memories of Old Settlers, Part II1940 – 1960
Watts, May Theilgaard
Photographic image
May T. Watts, Mary Moulton, Helen Turner, Alice Goodrich, and Edna Jones with a class in the Redwood Buildingcirca 1948 – 1959
Map
Plat of Survey of Part of Section 36, Township 39 North, Range 10 East of the Third Principal Meridian in DuPage, County, IllinoisJune 14 1954
Steinbrecher, Harold F.
Drawing
Arboretum Landscape Teaching Aid Series: A River Emerged From Under A Glacier1940 – 1960
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
Arboretum Landscape Teaching Aid Series: An Apple Tree was Planted on a Farm1940 – 1960
Watts, May Theilgaard
Drawing
Arboretum Landscape Teaching Aid Series: Early Settlers Brought Roses1940 – 1960
Watts, May Theilgaard