Taxation was heavy, and the revenue very considerable: Don Juan of Austria, in a report to Philip II., states that the land revenue alone under the last Hafsite was 375,935 ducats, but of this a great part went in tribute to the Arabs.
In 1768 he published a Narrative of some of his early adventures with Anson, which was to some extent utilized by his grandson in Don Juan.
Other works of Delavigne followed each other in rapid succession - Louis XI (1832), Les Enfants d'Edouard (1833), Don Juan d'Autriche (1835), Une Famille au temps du Luther (1836), La Popularite (1838), La Fille du Cid (1839), Le Conseiller ra p porteur (1840), and Charles VI (1843), an opera partly written by his brother.
The Quitonian doctor Eugenio Espejo, and his fellow-citizen Don Juan Pio Montufar, entered into hearty cooperation with Narino and Zea, the leaders of the revolutionary movement at Santa Fe; and it was at Espejo's suggestion that the political association called the Escuela de Concordia was instituted at Quito.
Walkley that he should write a Don Juan play, which he proceeded to do in a characteristic topsy-turvy fashion.