Design projects for Mercury Press and Mercury Publications, primarily Ellery Queen Mystery Magazine. Also stylized as Ellery Queen’s Mystery Magazine, EQMM was launched in 1941 and named after the fictitious author and detective Ellery Queen. Salter’s job numbers appear in parentheses. Also contains notebooks of loose-leaf book jackets from various Mercury Publications. See also Series 8: Oversize United States Design Projects for additional EQMM designs.