- Listenly
- Public Library
- Project Gutenberg
- French drama — 19th century -- History and criticism
French drama — 19th century -- History and criticism — Audiobooks
Le Naturalisme au théâtre, les théories et les exemples
by Émile Zola
Novelle e riviste drammatiche
by Arrigo Boito
Introduction to the Dramas of Balzac
by J. Walker (Joseph Walker) McSpadden, Epiphanius Wilson