Fröbel published the first of his five Keilhau pamphlets, An unser deutsches Volk ("To Our German People")
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Fröbel published the first of his five Keilhau pamphlets, An unser deutsches Volk ("To Our German People")
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.