From International Signal Code Alphabet
Medium: Ink on paper with photography, tracing paper overlay, and collage Dimensions: Sheet: 8 1/2 x 11 in. (21.6 x 27.9 cm) Credit Line: Collection UCLA Grunwald Center for the Graphic Arts, Hammer Museum. Corita Kent Bequest. Accession No.: 1990.1.1163 Paper/Support: Paper Inscriptions: l.r. handwritten in ink: "25"; u.l. handwritten in ink: "print 27 + 25 together"; l.c. handwritten in ink: "put this stone photo"; c. handwritten in ink: "the words around should be red words on top of the blue boarder the big W should be blue in the center red rectangle"
"Untitled." Corita Kent in the Grunwald Center Collection. Los Angeles: Hammer Museum, 2017. https://hammer.ucla.edu/collections/grunwald-center-collection/corita-kent/art/untitled-preparatory-material-for-w-is-for-white-stone/.