Drawing
Evergreen Nature Trail Guide, page 13 illustrations and layout with preliminary sketches1940s
Watts, May Theilgaard
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Education charts: Twigs, #3
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Larix decidua (European Larch), habit, summerSeptember 14 2010
Hedborn Jr., Edward A.
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Larix decidua (European Larch), habit, winterJanuary 31 2009
Hedborn Jr., Edward A.
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Larix decidua (European Larch), habit, winterNovember 25 2008
Hedborn Jr., Edward A.