The history of Spain, from the earliest ages of which we have any authentic records, to the return of Ferdinand VII in 1814.

By Frances Thurtle (1890)
https://books.google.es/books?id=-GAUAAAAQAAJ&pg=PA349&lpg=PA349&dq=duke+of+popoli&source=bl&ots=GkOfN-y7Rg&sig=97EGwqVT_CQ1MigHrhXVyCongoc&hl=ca&sa=X&ved=0ahUKEwiX7tWm7pbPAhWC1xQKHdxIB0MQ6AEIUzAI#v=onepage&q=Catalans&f=false 

Book 5, p. 355
The emperor, who had rejected these overtures for a general peace; and Philip, who had refused to sign the treaty from the absurd wish of erecting a principality for the princess Ursino, were, at length, willing to contribute to a general pacification, and of the 6th of March, A.D. 1714, the former consented to sign the Treaty of Rastadt, and the latter, much about the same time, agreed to ratify the articles of the treaty of Utrecht.

References to the Catalans in "The History of England. Volume 4". By Rev. N. Tindal. 1745

https://books.google.es/books?id=jX9cAAAAcAAJ&pg=PA380&lpg=PA380&dq=That+the+General+Amnesty+relating+intirely&source=bl&ots=9jBVitgCHB&sig=QS8knAj0eHux-E0vLjrM13tfbuY&hl=ca&sa=X&ved=0ahUKEwj3wrXAjYfPAhVIxRQKHRDvDB0Q6AEIHTAA#v=onepage&q=That%20the%20General%20Amnesty%20relating%20intirely&f=false

p. 380

...are likewise ordered to use their endeavours to induce the Catalans to join with them in their undertakings; and, to animate that people to prosecute their liberty with more vigour, they are impowered to assure them of the Queen's support, and to promise them, in the Queen's name, that she will ….

Report to the Committee of Secrecy Papers concerning the Catalans. R. Walpole

A REPORT,

from the Committee of Secrecy,

Appointed by Order of the House of Commons

to examine Several Books and Papers laid before the House, relating to the late Negotiations of Peace and Commerce, & c.

Reported on the Ninth of June, 1715

By the RIGHT HONOURABLE

ROBERT WALPOLE, Esq.;

CHAIRMAN of the Said COMMITTEE