- Librairie Hachette (Paris)2
- Litografi?a y tip. Carlos Fabbri (Lima (Peru?))2
- M. Badiola y Cia (Lima)2
- M. Carey (Philadelphia, Pa.)2
- Macomb County Planning Commission2
- Matthews' Lith.2
- Matthews-Northrup2
- Matthews-Northrup Works (Buffalo, N.Y)2
- McGill-Warner Co (St. Paul, Minn), 19212
- McGill-Warner Co (St. Paul, Minn), 19232
- McGill-Warner Co. (Saint Paul, Minnesota)2
- McGill-Warner Co. (St. Paul, Minn.), 19222
- Milwaukee Litho. & Engr. Co. (Milwaukee, Wis.)2
- Minnesota Map Publishing Co. (Saint Paul, Minnesota), 19142
- Minnesota Transfer Board of Trade, (Minnesota)2
- Mississippi River Commission (Washington, D.C)2
- National Highways Association (Washington, D.C.)2
- National Highways Association (Washington, D.C.), 19152
- Natural Resources Intelligence Service (Ottawä)2
- Norris Peters Co (Washington, D.C)2