By the Honourable James De Lancey, Esq; His Majesty's lieutenant-governor and commander in chief, in and over the province of New-York ... A proclamation : Whereas it appears, that certain persons residing on or near the eastern borders of this province have entered into a combination to dispossess Robert Livingston, jun. Esq; proprietor of the Manor of Livingston ... Given under my hand and seal at arms, at Fort-George, in the city of New-York, the eighth day of June, one thousand seven hundred and fifty seven ...