Liberty Loan page — Hoffmann-Hayman among sponsors, 19 Oct 1917 October 19, 1917 less than 1 minute read
“That Morning’s Cup of Coffee” — Hoffman-Hayman feature — Express-News, 29 Apr 1917 April 29, 1917 2 minute read
Morrison customers — joint Hoffmann-Hayman / Morrison notice, 28 Jan 1917 January 28, 1917 2 minute read
Morrison Coffee purchase — announcement (Hoffmann-Hayman), 28 Jan 1917 January 28, 1917 1 minute read
