Schloß Monbijou Guidebooks
Whilst on a (so far fruitless) search to find a PDF of the Schloß Monbijou Amtlicher Führer from 1930, I came across two other versions, one from 1895 and one from 1904. Curious that the price went down instead of up.
These two too I would like to own, but even if they're available my funds are somewhat limited at the moment. Auf der Wunschliste hinzugefügt...