Study Description

Angola Slave Trade in the Eighteenth Century, 1723-1771

Bibliographic Information

Cataloging-During-Production (Machine Readable Data File)

Angola slave trade in the eighteenth century, 1723-1771 [machine-readable data file] / compiled by Herbert S. Klein. -- DPLS ed. -- New York : Herbert S. Klein [producer], 197- ; Madison, Wis. : University of Wisconsin. Data and Information Services Center [distributor].

1 data file (551 logical records) + accompanying documentation.

These data were compiled from port registers (1723-1771) located in the Arquivo Historico Ultramarino, Lisbon.

Summary: These data were collected to analyze the organization, rhythm, direction, and volume of slave ship operations of the major Atlantic slave trading nation, Portugal. Angola was selected for detailed study because of the quantity and quality of its records and because of its prime importance within the Portuguese slave trading zone.

The data file contains information on date ship sailed, name of ship, Brazilian port of arrival, persons (adults and children) shipped, total number of slaves aboard, physical capacity (arqueacao) of ship.

ISBN 0-89605-027-0

I. Klein, Herbert S.

DISC Acknowledgement

These data were deposited at DPLS for public distribution by Herbert S. Klein, Department of History, Columbia University, New York, New York.

Acknowledgement of Assistance

All manuscripts utilizing data made available through the Data and Information Services Center (DISC) should acknowledge that fact as well as cite the title of the study as indicated on the title page and sample catalog statement and identify the original compiler (collector) of the data. DISC urges all users of these data to follow some adaptation of this statement with the parentheses indicating items to be completed or deleted appropriately by the individual analyst.

The data (and tabulations) utilized in this (publication) were made available (in part) by the Data and Information Services Center (DISC) at the University of Wisconsin-Madison. The data for Angola Slave Trade in the Eighteenth Century, 1723-1771 were originally compiled by Herbert S. Klein from port registers archived at the Arquivio Historico Ultramarino, Lisbon. Neither Mr. Klein nor DISC bears any responsibility for the analyses or interpretations presented here.

 


File Inventory

Bibliographic Identity:

Unique File Inventory Identification Number
041278-000
Bibliographic Reference
Angola Slave Trade in the Eighteenth Century, 1723-1771 [machine readable data file]. Compiled by Herbert S. Klein. DPLS ed. New York: Herbert S. Klein [producer], 1970? Madison, WI: University of Wisconsin. Data and Information Services Center [distributor]. 1 data file (551 logical records), plus accompanying documentation. The data were compiled from port registers archived at the Arquivio Historico Ultramarino, Lisbon (Angola, caixa 16-15, 27, 29-33, maco 9 for 1723-1771).
Unique Identification Codes for the MRDF
CB-505-006-INT-DPLS-1723-1; ISBN 0-89605-027-0
Type of File
numeric

Subject Contents:

Abstract
These data were collected to analyze the organization, rhythm, direction, and volume of slave ship operations of the major Atlantic slave trading nation, Portugal. Angola was selected for detailed study because of the quality and quantity of its records and because of its prime importance within the Portuguese slave trading zone.
Universe to Which the Data Pertain
slave ship voyages from Luanda, Angola to Brazil
Geographic Focus
Luanda, Angola and Brazil
Descriptors
slave trade, economic history, Africa, migration, mortality
Demographic Variables
date ship sailed, name of ship, Brazilian port of arrival, person (adults and children) shipped, total number slaves aboard, physical capacity (arqueacao) of the ship

File History:

Sponsor or Funding Agency
Social Science Research Council; American Council of Learned Societies; University of Chicago; Columbia University, New York USA
Project Responsibility
Herbert S. Klein, Department of History, Columbia University, New York 10027 USA
Data Gathering Responsibility
Herbert S. Klein
Data Processing Responsibility
Herbert S. Klein
Time Coverage (Date of Data Coverage)
1723-1771
Date of Data Collection
c. 1970
Source(s) of Data (Input)
port registers for Angola (1723-1724, caixa (cx.) 16; 1725-1727, cx. 17; 1728, cx. 18; 1731, cx. 19; 1734, cx. 20; 1738, cx. 21; 1740, 1743, 1744, cx. 23; 1741, cx. 22; 1747-1748, cx. 24; 1749, cx. 25; 1758, cx. 27; 1762, cx. 29; 1763-1764, cx. 30; 1765-1766, cx. 31; 1767, maco 9; 1769, cx. 32; 1771, cx. 33), Arquivio Historico Ultramarino, Lisbon.

Methodology:

Description of Sampling Design/Selection
available port records of the middle eighteenth century
Instrumentation
port records (registers) of the slaves shipped from Luanda, Angola
Data Quality
data are incomplete
Unit of Analysis/Record Type
551 slave ships
Number of Variables
13
Analytic Comparability or Linkage with Other MRDF
Philip D. Curtin (edited by Herbert S. Klein), Records of Slave Ship Movement Between Africa and the Americas, 1817-1843; Herbert S. Klein, Internal Slave Trade to Rio de Janeiro, 1852; Slave Trade to Rio de Janeiro, 1825-1830; Slave Trade to Rio de Janeiro, 1795-1811; Angola Slave Trade in the Eighteenth Century, 1723-1771; English Slave Trade, 1791-1799 (House of Lords Survey); Slave Trade to Havana, Cuba, 1790-1820; Virginia Slave Trade in the Eighteenth Century, 1727-1769; Nantes Slave Trade in the Eighteenth Century, 1711-1791; Philip D. Curtin, Slave Ships of Eighteenth Century France, 1748-1756, 1763-1792; Klein, Herbert S. and Stanley L. Engerman, Slave Trade to Jamaica, 1782-1805-1808; Fogel, Robert W. and Stanley L. Engerman, Time on the Cross [machine readable data file].

File Processing History:

File Structure
rectangular
Record Structure
fixed length

Availability:

As a reminder, all of this information is from the original codebook and some sections may now be obsolete.

Location of the MRDF
Data and Information Services Center (DISC), University of Wisconsin-Madison, 3308 Sewell Social Science Building, 1180 Observatory Drive, Madison, WI 53706 USA
Location of the Documentation
Data and Information Services Center (DISC)
Access Restrictions
none
Type of Access
batch
Retention Status
indefinitely
Costs
direct, plus DISC overhead
Recording Information
The archival file consists of one file stored on CD-ROM. All information is in character format. Logical Record Size: 80 characters; Block Size: 3200 characters. Data is disseminated in zipped ASCII format.
Data Management Software Requirements
none
Computer or Hardware Requirements
none
Data Disclaimer
distributor distributes the MRDF but takes no responsibility for its condition
Reference Materials
codebook
Publications
Herbert S. Klein, "The Portuguese Slave Trade from Angola in the Eighteenth Century, " Journal of Economic History, XXXIII (1972), 904-918; The Middle Passage: Comparative Studies in the Atlantic Slave Trade (Princeton, NJ: Princeton University Press, 1978)


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