[604] Praxis, s. Praktik.
Brockhaus-1809: Praxis
Brockhaus-1837: Praxis
Brockhaus-1911: Praxis
Eisler-1904: Praxis
Hederich-1770: Praxis
Kirchner-Michaelis-1907: Praxis
Meyers-1905: Praxis
Pierer-1857: Praxis