Cicerone Mailing List Contacts Databases in CSV format
Download the csv file from the appropriate link. Import into your email client. If using GMail import into you Google Contacts app.
You may open csv file in any spreadsheet program such as Excel, G Sheets, LibreOffice Calc, etc. It is not necessary to open the file to import it. Just go to the import function of you email program and point to the downloaded file ending in ".csv".