What documents should the president of the U.S. take hold of in order to establish his list of slave owners, including former slaveowners in the decades leading up to the war, in April of 1865?
One might think that documents like plantation inventories can be very easily made to disappear whereas the documents of the court proceedings of cases that fell under the Fugitive Slave Act of 1850 cannot be easily made to disappear. Among the plethora of documents, which of them would be the most censorship resistant and / or resistant to disappearance?