From Wiktionary, the free dictionary
StB m (strong, genitive StBs or StB, plural StB)
- Abbreviation of Steuerberater.
Declension of StB [masculine, strong]
StB f (genitive StB, plural StB)
- Abbreviation of Stadtbibliothek.
Declension of StB [feminine]
- Stb. (“Staatsbibliothek”)