Armstrong & DeGuerre
1. San Francisco Business Directory,1896. First listing in the directories. 2. 407 Montgomery. Crocker Langley S. F. Business Directory,1900. Was still at this address in 1905, the last directory before the 1906 fire which burned this area. No listing in 1907, the first directory after the fire or in 1908-1910, Crocker Langley Business Directories.
Blank Book Manufacturers