Reinhold von Plaenckner: Lao-tse Táo-tĕ-king: Der Weg zur Tugend (Leipzig: F.A. Brockhaus 1870)
- Digitized:
> Internet Archive (Book contributor: University of California, digitizing sponsor: Google)
> Google Books (Original from University of California, digitized 29 November 2007)
> Bavarian State Library - Bibliographic reference: BS 1401
- Entry in Wiener China-Bibliographie