These records document the duties that were paid on slaves to the City of Philadelphia. Information provided within these records includes the name of the owner(s) and the collector; the amount of duty paid; and the date of the contract. Sometimes the name of the slave is listed. These records were originally recorded by an agent of the British crown until the State of Pennsylvania assumed this responsibility. Images are unarranged. This collection is part of the Office of the Comptroller General which was created in 1782.