001 Wiktionary-Frequency-Lists
https://en.wiktionary.org/wiki/Wiktionary:Frequency_lists

001 2018-Frequency-Lists-from-Hermit-Dave
https://github.com/hermitdave/FrequencyWords/tree/master/content/2018

001 Google-Sheets
https://www.google.co.uk/sheets/about/

001 Open-Subtitles
https://www.opensubtitles.org/en/search/subs

001 Google-Translate-for-Google-Sheets
https://support.google.com/docs/answer/3093331?hl=en-GB

001 Google-Translate-Language-Codes
https://cloud.google.com/translate/docs/languages?hl=en

009 Course-Fixes-Report-an-Issue
https://forms.gle/fpNEQooYBX25gcG67