[858] Stari grad, vorgeschichtl. Bauwerk, s. Castellieri.
Adelung-1793: Grad (2), der · Grad (1), der
Brockhaus-1809: Der Grad
Brockhaus-1837: Grad
Brockhaus-1911: Grad [3] · Grad [2] · Grad
Eisler-1904: Grad
Herder-1854: Grad
Lueger-1904: Grad [2] · Grad [3] · Grad [1] · Baumé-Grad · Celsius-Grad
Meyers-1905: Grad [3] · Grad [2] · Grad [1]
Pataky-1898: Grad, Max
Pierer-1857: Niemetzki Grad · Grad