Franz Kühnert: „Die Partikel ši 是 in Lao-tsï’s Taò-tek-kīng.“ Wiener Zeitschrift für die Kunde des Morgenlandes 5 (1891) 327-342.
- Bibliographic reference: BS col. 724
- Digitized: Internet Archive (digitizing sponsor: Google; book contributor: University of Michigan; link to first page of article)
- Entry in Wiener China-Bibliographie