INFO: Archaic cursive and other conventions - Green-Wood-Cemetery/burial-registry-search GitHub Wiki
Long s
Look for "fs" in things like the abbreviation for Massachusetts (eg: "Mafs"). Replace with "Massachusetts" in the spreadsheet.
Note: Transcribers may also interpret this as "ps" in some cases.
See: https://en.wikipedia.org/wiki/Long_s
Ditto marks
Look for "Do" to represent ditto. Replace with the actual value in the spreadsheet.