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Etiquette

  • Adolph Freiherr Knigge's 1788 book On Human Relations is still often referred to as Knigge
  • Derived from the above, any ruleset or book that concerns itself with etiquette

See also

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  • 32899 Knigge (1994 PY1), a main-belt asteroid discovered on 1994 by F. Borngen