Epictetus
[Author]
;
Vollenweider, Samuel
[Writer of introduction];
Vollenweider, Samuel
[Writer of supplementary textual content];
Baumbach, Manuel
[Writer of supplementary textual content];
Ebel, Eva
[Writer of supplementary textual content];
Forschner, Maximilian
[Writer of supplementary textual content];
Schmeller, Thomas
[Writer of supplementary textual content]