Hyde, H. Montgomery (2007). Mexican Empire - The History of Maximilian and Carlota of Mexico(en inglés). READ BOOKS. p. 319. ISBN9781406737097. «This frivolous Archduke, whom Maximilian had once thought of marrying off to one of the Brazilian Emperor's daughters and making his heir, became addicted to the society of certain members of his own sex in a manner which would not perhaps have provoked comment in ancient Greece but which resulted in his banishment from the imperial Court of Austria.»
