Updating this thread. All 50 volumes of the 'Sacred Books of the East" originally published by Oxford University Press were made available for for free download (PDF) in 2023. Available from
https://www.holybooks.com/the-sacred...ll-50-volumes/. In total, The Sacred Books of the East are more than a hundred thousand pages, and was an enormous project undertaken by Max Müller and various scholars from 1879—1910..."to this day many of the translations are the only ones existing or the most precise".