Sprache ohne Worte /
Idee iener allgemeinen Wissenschaft der Sprache. With a preface by Thomas A. Sebeok. Photomechanic reprint of the ed. Leipzig, 1888.
- The Hague : Mouton, 1972.
- 7, xxviii, 456 p. ; 25 cm.
- Approaches to semiotics ; 19 .
Communication. Nonverbal communication. Signs and symbols.