There has been data ("Z Dziejow Filozoficznej Refleksji Nad Czowiekiem: Ksiega Pamiatkowa Ku Czci Profesora Jana Czerkawskiego (1939-2007)") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Mon Jan 13 19:30:44 2020, so the data displayed here has been removed .