Helen Phillips, American (1913 - 1995) - Upon This Rock. Year: 1948, Medium: Etching and Aquatint on laid paper, signed in the plate, Image Size: 9 x 6.75 inches, Size: 15 x 11.5 in. (38.1 x 29.21 cm), Printer: Atelier 17, New York, Reference: Story 53, Description: From the collection of the late Larry Saphire. Featuring a poem by Ruthven Todd. Referenced on page 90 of "Form, Growth, and Variation: The Experimental Prints of Helen Phillips" by Christa Story for the Wright Museum of Art.