Regimental history informations re: Combat de Thann 1809:
33e de ligne - p. 45-46: https://books.google.com/books?id=dJwVAAAAYAAJ&pg=PA45
48e de ligne - p. 55:
57e de ligne - p. 34: https://archive.org/details/rsumdelhistoriq00favagoog/page/n49
72e de ligne - p. 32-33: https://archive.org/details/historiquedusoi00unkngoog/page/n37