Mining Town, Landsford, PA in pencil, lower center; © 1937 in pencil, lower left; BM Grambs in pencil, lower right; FEDERAL ART PR(cut off) NYC W(cut off) stamp lower right, verso
- Wechsler, James. "The Great Depression and the Prints of Blanche Grambs." Print Quarterly XIII (December 1996): no. 41.