Picard, L. Pourquoi le maréchal Bernadotte ne parut ni à Iena, ni à Auerstädt, ni à Eylau. 1907. :
https://drive.google.com/file/d/1giUF4s7RP4AiqXVWSl7hhmqqgbyTOQWl/view?usp=sharing
Werlhof. Bernodotte und die Sachsen bei Wagram 5. und 6. Juli 1809. 1911. :
https://drive.google.com/file/d/1lEVpZ0WCl46MCm6xOfaMFMNsFGI5bHzI/view?usp=sharing
Titeux. Le maréchal Bernadotte et la manoevre d'Jena. 1903..pdf
https://drive.google.com/file/d/14-ETYq0gExYmxPrE1lySaSqYsw3jwsxM/view?usp=sharing
Pflugk-Harttung. Bernadotte im Herbstfeldzug 1813. 1905.:
https://drive.google.com/file/d/1kvMwvGZDe4KwuoQNVlKXqw80KmjB9s09/view?usp=sharing
Indeed - see my old post on this on Agathon von Bahr thread only denialists would refuse to read those fine works - though Werlhof is very biased and trapped in the anti Bernadotte propaganda - there Titeux shows outstanding research and conclusions.