John (and everyone)--
I discovered in my Applications folder a copy of the free, public domain SQLite Database Browser, available for OS X and Windows (and other platforms), which can be downloaded from
sourceforge.net/projects/sqlitebrowser. (I forgot I had it.)
It's much easier to use than the sqlite3 command, and its CSV export appears to escape embedded quotes properly.
I'm going to revise my page accordingly.
--Marc