Il nipotismo di Roma, or, The history of the popes nephevvs : wherein is related the reasons which move the popes to make their nephews great : together with all the good and the mischief they have done to the Catholick Church ever since the election of Sixtus the IV. Anno 1471. to the death of the last Pope Alexander the Vii. Anno 1667 : also the difficulties which the ministers of princes find in treating with them, and of the remedy how to free themselves from those difficulties : as likewise the reasons why none of the families of the popes have remained long in any grandeur /