Link to the Hong List 1927: https://archive.org/details/north-china-desk-hong-list-1927-01-shanghai
The PDF file is text-recognized (OCR) and has a clickable Table of Contents and navigation bookmarks. I'm still trying to replace the original upload with a cleaner file, without duplicate pages...
1924 Hong List (Shanghai Street Directory only)
1925 Hong List (all of Shanghai)
1926 Hong List (all of Shanghai)
1927 Hong List (all of Shanghai)
Top image: Shanghai Scottish guard outside the Soviet Consulate, 1 Whangpoo Road, in April 1927.