Of course the early students were creative and used all kinds of training materials!  But the first full and official translation of the Level One Teacher Training manual, The Aquarian Teacher, was the German version published in 2003.  Then a Spanish version followed in 2007. As of 2022, the manual has been translated into 11 additional languages (Arabic, Chinese, French, German, Italian, Japanese, Polish, Portuguese, Russian, Spanish and Turkish (only the manual), with 3 more being worked on (Estonian, Finish, and Greek).