Tip: In contemporary documents especially in the South the terms "property" and "servants" tend to appear in discussions and debates rather than the terms "slaves" and "slavery."
For books, etc. held by Notre Dame analyzing the causes of the Civil War use:
For books, etc. providing contemporary (1845-1890) opinion & analysis use:
For materials held by other libraries:
For scholarly articles:
For contemporaneous popular opinion & analysis (1845-1890):
In one or more of the recommended article databases
Tip: Do not truncate (use the *) with origin. This will retrieve "original" material dealing with the actual conduct of the war rather than its causes. Therefore it may produce many irrelevant records.