Vindobonensis Y , written round about the beginning of the fourteenth century, contains sixteen dialogues and six Spuria in a curious order, the first two Tetralogies and the Parmenides, then the Gorgias, Meno, Hippias Major, Symposium, Timaeus, Alcibiades I and II, and Spuria 7, 1–5, and was thought by Jordan and Immisch.

In the following pages the references are to the lines of Immisch's text , and the MSS and groups of MSS are indicated by his lettering.

Vindobonensis Y, written round about the beginning of the fourteenth century, contains sixteen dialogues and six Spuria in a curious order, the first two Tetralogies and the Parmenides, then the Gorgias, Meno, Hippias Major, Symposium, Timaeus, Alcibiades I and II, and Spuria 7, 1–5, and was thought by Jordan and Immisch.