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Thornhill Education Center north entrance with raintree fountain in courtyardJuly 1969
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Thornhill Conference Center, north entrance view from courtyard
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Thornhill Education Center, raintree fountain in foreground 1977 – 1978
Helmick, William K.
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Chamber Concert at Thornhill
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Music at the Arboretum, High Cross Road bluegrass band performance on Thornhill lawn1983
Plan
Country Residence, Library Addition by Mr. Joy Morton, Lisle, IllinoisSeptember 1922
Holabird & Root
Plan
Joy Morton Memorial Building [i.e. Thornhill] for the Morton Arboretum at Lisle, IllinoisAugust 5 1941
Holabird & Root
Video
Know Your Arboretum: History on the Hill with Craig Johnson, Pt.1February 29 2016
The Morton Arboretum
Video
Know Your Arboretum: History on the Hill with Craig Johnson, Pt.2March 7 2016
The Morton Arboretum
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Cercidiphyllum japonicum Sieb. & Zucc. (katsura tree) winter tree form2005 – 2012
Hagstrom, John