Invalid expression:%2Ad%5Bi%FCy%5D%5Beh%5D%25%5Btz%5D%5Eioh%25n{1
Brockhaus-1911: Conditio
Eisler-1904: Conditio sine qua non
Herder-1854: Conditio
Kirchner-Michaelis-1907: Conditio sine qua non
Meyers-1905: Conditio