Il sorriso
pdf
- Author: Helmuth Plessner
- Language: Italian, German
- Year: 2020
- Author: Barbara Scardigli (editor), Piergiuseppe Scardigli (editor)
- Language: Italian, German
- Year: 1994
- Author: Oskar Bulle - Giusepper Rigutini
- Language: Italian/German
- Year: 1902
- Author: Lorenzo Perilli
- Language: Italian, German
- Year: 2004
- Author: Friedrich Wilhelm Joseph Schelling
- Language: Italian/German
- Year: 1947
- Author: Société de Linguistique de Paris
- Language: French, English, Italian, German
- Year: 1975