You should try learning German songs and singing them to help with pronunciation! “Madsen” is my favorite German band for this purpose. The lead singer is (usually) easy to understand. But, nearly any singer will do. I’d avoid native English speakers singing in German, though. For instance, I love Connie Francis’s German stuff (and so did many Germans, it seems), but her pronunciation is nothing to emulate, sadly.
I’m currently reading “All the Knowledge in the World: A History of the Encyclopedia” by Simon Garfield. It mentions a similar thought held by some around the time of the creation of the Encyclopedia Brittanica. (Late 1700s, if I recall correctly)
There were too many books, and they were being printed by just anyone. Who needs a really long dictionary, anyway?