A 1948 article in a Cape Cod newspaper seeks to dispel the myth that slavery was a southern problem. 
Account of a case heard before Barnstable MA county court in 1777. The subject of the dispute: slaves… or is it “staves”? 
On March 11, 1760, two Cape Cod brothers sell the enslaved woman they’ve inherited from their father. But there’s a caveat: the buyer will be reimbursed if it turns out she’s damaged goods. 
A “Genuine Slave Band” in Provincetown 
The story of a Harwich man on a slaving voyage, found in the Brooks Academy archives and
published February 14, 2019 in the Cape Cod Chronicle
“Samuel Sewall’s The Selling of Joseph was the first anti-slavery tract published in New England. In the pamphlet, Sewall condemns African slavery and the slave trade in North America and refutes many of the typical justifications using Biblical and practical arguments. The MHS holds the only surviving copy of this important work.” -MHS 
Here and gone 