From International Signal Code Alphabet
Medium: Ink on paper with 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.: 1990.1.1160 Paper/Support: Paper Inscriptions: u.r. handwritten in ink: "no. 10 / print with no. 11"; u.l. handwritten in ink: "ignore diff [sic] background - just use forms of letters + number"; l.r. handwritten in ink: " print all these in red over blue stripe. Enlarge to fill blue stripe"; l.r. handwritten in ink: "red /t i s [sic] 2 blue / red letters on blue stripe"
"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-t-is-for-two/.