Perpendiculum (Signed First Edition).
Geneve, Switzerland: JR Editions, 1989. First edition. Softcover. Text in English and French with essays by William A. Ewing and Antoine Raybaud. Includes numerous color illustrations, list of previous exhibitions, list of collections, and selected bibliography. A near fine copy in French style wrappers. Signed by Beatrice Helg. Uncommon thus.
See all items in Art Monographs, Catalogue Raisonne
See all items by Beatrice HELG, William A. Ewing, Antoine Raybaud