There has been data ("Ricerche fenomenologiche sopra la costituzione: libro secondo. Idee per una fenomenologia pura e per una filosofia fenomenologica. Reprints Einaudi; 73.") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Fri Dec 20 19:16:49 2019, so the data displayed here has been removed .