Here’s some entrypoint: https://www.onb.ac.at/en/more/about-us/timeline/1938-political-abuse-of-the-library-under-the-ns-regime https://www.onb.ac.at/en/more/ab

Here’s some entrypoint: https://www.onb.ac.at/en/more/about-us/timeline/1938-political-abuse-of-the-library-under-the-ns-regime https://www.onb.ac.at/en/more/about-us/timeline/1938-politic... It seems annoying to search for, so I don’t blame you for not finding anything.