| One letter was forwarded to Anne Northup, who enlisted the help of Henry B. Northup, a lifelong friend of Solomon and the grandnephew of the person who had manumitted Mintus. |
| On May 13, 1888 all Brazilian slaves were manumitted. |
| Henry Northup, whose will contained the stipulation that his slaves be manumitted. |
| When his 383 slaves were manumitted, none bore any marks of physical abuse. |
| Education for two manumitted slaves in Edinburgh. |
| They manumitted them if they were children of slave women and deeded them property. |
