Framed Formal Cupping Portrait — Possibly Gus P. Menger of Hoffmann-Hayman Coffee Co. December 4, 2019 2 minute read
Popular trio of H. & H. products — Sam Houston, H and H Crystalvac, Texas Girl — The News, 26 May 1934 May 26, 1934 2 minute read
Coffee plants, industrial leaders — G. P. Menger on Hoffmann-Hayman — Light, 4 Oct 1925 October 4, 1925 2 minute read
San Antonio Firm Chartered — Hoffman-Hayman Coffee company — Light, 6 Feb 1912 February 6, 1912 1 minute read
Local Firm Gets Charter — Hoffmann-Hayman Coffee Company incorporated — Express-News, 6 Feb 1912 February 6, 1912 2 minute read