This is a awesome resource, thanks a lot! Some of these books are of course quite old. For example I would not recommend trying to learning contemporary German

This is a awesome resource, thanks a lot! Some of these books are of course quite old. For example I would not recommend trying to learning contemporary German using this [1] book. Reading 'fraktur' alone can be rather challenging … [1] [Worman, J. H.: Erstes Deutsches Buch, nach der Natürlichen Methode, für Schule und Haus, American Book Company, New York 1880](https://vivariumnovum.it/edizioni/libri/dominio-pubblico/Worman%20-%20Erstes%20Deutsches%20book.pdf https://vivariumnovum.it/edizioni/libri/dominio-pubblico/Wor...)