Invalid expression:[ck]{1
Brockhaus-1911: Bor
Herder-1854: Bor [2] · Bor [1]
Lueger-1904: Bor
Meyers-1905: Bor, Pieter · Bor [2]
Pierer-1857: Bor-Lohit · Bor [2] · Bor [1]