lower left in graphite:15/30; lower center in graphite: Archipelago; lower right in graphite: SW Hayter 41; lower left verso in graphite: 38740 GR; lower right verso in graphite: AE #6472
(Annex Galleries, CA); Reba and Dave Williams, Greenwich, CT, 1984; gift to NGA, 2008
- Black, Peter and Desiree Moorhead. The Prints of Stanley William Hayter: A Complete Catalogue. Mount Kisco, NY, 1992, no. 141.