Bibliothek des litterarischen Vereins in Stuttgart (abbreviated as BLVS) is a series of books printing source texts for medieval and early modern German literature. The series of books began in 1842 and new ones still appear at irregular intervals. For most of the editions (Vol. 24-266), the association chose the spelling “litterarischen”, but since since 1925 (vol. 267), the spelling has been “literarischen” with a single t.