Here’s what you’ll learn when you read this story:A box within an American Baptist archive space held a long-lost trove of abolitionist-era documents. The declaration against slavery was last seen in a 1902 history book, and had been thought to be lost forever. And its discovery was pure happenstance, according to the American Baptist Churches of Massachusetts. At that time, the declaration was known to be in the possession of the Massachusetts Baptist Convention, but it hadn’t been seen since. “With such a system we can have no sympathy,” the ministers wrote.