Comstock, Francis Adams and Fletcher, William D., "The Work of Thomas W. Nason, N.A." (Boston, Boston Public Library, 1977)
Notes (object):
Handwritten on item: I. 7/14/34.
From supporting material: Unpublished.
From item housing: Study of a tree, copper engraving, 1934, Few proofs, never published, not a demonstration plate.