Brockhaus-1809: die Organisation
Brockhaus-1911: Operation · Porrosche Operation · Struggle for life · For · For ever
Kirchner-Michaelis-1907: Organisation
Meyers-1905: Organisation · Organisation der Arbeit · Operation · Porrosche Operation · Chopartsche Operation · Bottinische Operation · Lisfrancsche Operation · Society for the Propagation of the Gospel in foreign parts · Tracts for the times · For ever · Recognizance for good behaviour
Pierer-1857: Organisation · Operation · Chirurgische Operation · For