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This library is built in the open.
If you spot an error, have a suggestion, or just want to say hello — we’d love to hear from you.

Elaborate calligraphic flourishes extending from the final letter 's' of 'perpetuus', curling into decorative scrolls at the bottom of the page.
A circular library stamp of the "POLYTECHN. SCHULE BIBLIOTHEK" with a central cross emblem.