United States Copyright Office, Catalog of Copyright Entries/Third Series… (1966)
“ MULLER (JOSEF) VERLAG ARS SACRA.MULLER (JOSEF) VERLAG ARS SACRA. For works by Verlag Ars Sacra Josef Mueller See this list under GOEBEL, W. MULTITONE ENGRAVING CO., INC.MULTITONE ENGRAVING CO., INC. [Textile pattern] See PRESTIGE FABRICS, INC. MURPHY (THOS. D.) CO.MURPHY (THOS. D.) CO. The joy that flowers bring, by Claude Strachan. © 27Dec38; K38680. Thos. D. Murphy Co. (PWH) ”
