How often did I imprecate curses on the cause of my being!
Mary Wollstonecraft Shelley, Frankenstein, or the Modern Prometheus. Amazon
In like manner the negroes of Guinea swear by their Fetish, a bird's feather, which they imprecate under the belief that it will break their neck.
Immanuel Kant, The Philosophy of Law: An Exposition of the Fundamental Principles of Jurisprudence As the Science of Right . Amazon
They who shall accuse their wives of adultery, and shall have no witnesses thereof besides themselves; the testimony which shall be required of one of them shall be, that he swears four times by God that he speaketh the truth: and the fifth time that he imprecate the curse of God on hime, if he be a liar. And it shall avert the punishment from the wife, if she swears four times by God that he is a liar; and if the fifth time she imprecate the wrath of God on her, if he speaketh the truth.
James L Merrick (translator), The Life and Religion of Mohammed as Contained in the Sheeah Traditions of The Hyat Ul Kuloob. Amazon
Seeing himself immured in a prison, he would imprecate curses on the Spanish nation, and vent himself in incoherent manaces of vengeance.
George Moore, Lives of Cardinal Alberoni, the Duke of Ripperda, and Marquis of Pombal, three Distinguished Political Adventurers of the Last Century Exhibiting a View of the Kingdoms of Spain and Portugal. Electronic version