Drawing
Evergreen Nature Trail Guide, page 6 illustrations and layout with preliminary sketches1940s
Watts, May Theilgaard
Photographic image
Tsuga caroliniana (Carolina Hemlock), bark, branch, budsMay 1 1998
Hedborn Jr., Edward A.
Photographic image
Tsuga caroliniana (Carolina Hemlock), cone, immatureJuly 18 2002
Hedborn Jr., Edward A.