OTG Controlled Vocabularies
Event Type Controlled Vocabulary
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Commercial transaction
An event in which an enslaved person is part of a transaction that involves the buying or selling of goods, services, or labor -
Commercial transaction: Appraisal
An event in which an enslaved person is reviewed and assigned a monetary value, often in anticipation of sale. -
Commercial transaction: Enslaved hire
An event in which an enslaved person is hired out to an individual other than their primary enslaver for a period of time -
Commercial transaction: Enslaved loan
An event in which an enslaved person is loaned to an individual other than their primary enslaver for a period of time (without monetary compensation to the primary enslaver) -
Commercial transaction: Services
An event in which an enslaved person is buying or selling of services (laundry, mending, blacksmithing, midwifery)
Action Status Controlled Vocabulary
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Completed
The action has been completed -
Failed
The action was proposed or attempted, but was not successfully completed -
Potential
The action has been proposed or mentioned, but has not yet taken place or been attempted -
Unknown
The action’s status cannot be inferred from available information
Certainty Controlled Vocabulary
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Approximate
The date is not exact; the event is estimated to have taken place close to the supplied date -
Inferred
The date of the event is not explicitly stated in the source document and has been supplied based on contextual information -
Questionable
The date is dubious or likely to be erroneous
Freedom Status Controlled Vocabulary
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Enslaved
A condition of perpetual hereditary unfreedom that is central to the system of forced labor -
Free
A condition of autonomy and self possession that allows a person to control their own labor, movement, and social engagement -
Transition
A condition of freedom that is in transition from enslaved to free or free to enslaved -
Unknown
A condition in which a person’s status as enslaved or free cannot be inferred from the available information
OTG Place Type Controlled Vocabulary Supplement
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Religious Community
A building or estate that houses members of a religious order or organization. -
College or university
An institution of higher education. -
College or university: Sports field
An outdoor area intended for athletic activities. -
College or university: Quadrangle
An outdoor gathering space located among campus buildings. -
College or university: Instructional building
A building on campus where teaching takes place. -
College or university: Dormitory
A building on campus where students reside -
College or university: Administration building
A building on a campus with offices.