::Thank you! That helps me a lot. Just one sentence needs some adjustment: "In 1963, it was discovered that 206 paintings had been destroyed and 507 were missing." This change does not sound correct to me because it was not "discovered" at this time (it has been known before). Actually, the gallery published a catalogue of missing and destroyed paintings of the old and new masters in 1963 from which these numbers are. That's why I wrote "206 destroyed und 507 missing paintings were accounted for in 1963." Could we correct this somehow? Thanks again! I really appreciate your help.