Study Description

Slave Trade to Rio de Janeiro, 1795-1811

Bibliographic Information

Cataloging-During-Production (Machine Readable Data File)

Slave trade to Rio de Janeiro, 1795-1811 [machine-readable data file] / compiled by Herbert S. Klein. -- DPLS ed. -- New York : Herbert S. Klein [producer], 196- ; Madison, Wis. : University of Wisconsin. Data and Information Services Center [distributor].

1 data file (375 logical records) + accompanying documentation.

These data were compiled from registry books (arquiaco) located in the Arquivo Nacional, Rio de Janeiro (Codice 242).

Summary: These data were collected in an attempt to analyze systematically a large body of Latin American archival data for the study of African history. It concerns a major sector of the Atlantic slave trade in the later part of the 18th century and first years of the 19th century: the route from various Portuguese ports in Africa to the Brazilian port city of Rio de Janeiro, over which some 170,000 Africans were shipped between 1795 and 1811.

The data file contains information on ship's point of departure in Africa; date of arrival in Rio de Janeiro; number of slaves carried; number of children; number of slaves in crew; total number of slaves landed; slave mortality during voyage; and slave; slave mortality immediately upon landing; type of slave ship.

ISBN 0-89605-017-3

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 Slave Trade to Rio de Janeiro, 1795-1811 were originally compiled by Herbert S. Klein from the registry records located at the National Archive in Rio de Janeiro. Neither Mr. Klein nor DISC bears any responsibility for the analyses or interpretations presented here.
  •  


    File Inventory

    Bibliographic Identity:

    Unique File Inventory Identification Number
    112878-000
    Bibliographic Reference
    Slave Trade to Rio de Janeiro, 1795-1811 [machine readable data file]. Compiled by Herbert S. Klein. DPLS ed. New York: Herbert S. Klein [producer], 1960s. Madison, WI: University of Wisconsin. Data and Information Services Center, [distributor]. 1 data file (375 logical records), plus accompanying documentation. The data were compiled from registry books (arquiacao), located in the Arquivio Nacional, Rio de Janeiro (Codice 242).
    Unique Identification Codes for the MRDF
    CB-505-003-INT-DPLS-1975-1; ISBN 0-89605-017-3
    Type of File
    numeric

    Subject Contents:

    Abstract
    These data were collected in an attempt to analyze systematically a large body of Latin American archival data for the study of African history. It concerns a major sector of the Atlantic salve trade in the later part of the 18th century and first years of the 19th century: the route from various Portuguese ports in Africa to the Brazilian port city of Rio de Janeiro, over which some 170,000 Africans were shipped between 1795 and 1811.
    Universe to Which the Data Pertain
    all slaveship voyages from 24 July 1795 to 18 March 1811.
    Geographic Focus
    ports in Africa to Rio de Janeiro, Brazil
    Descriptors
    slave trade, economic history, Africa, migration, mortality
    Demographic Variables
    ship's point of departure in Africa; date of arrival in Rio de Janeiro; number of slaves carried; number of children of slaves; number of slaves in crew; total number of slaves landed; slave mortality during voyage; slave mortality immediately upon landing; type of slave ship (vessel)

    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
    Data Gathering Responsibility
    Herbert S. Klein
    Data Processing Responsibility
    Herbert S. Klein
    Time Coverage (Date of Data Coverage)
    24 July 1795 to 18 March 1811
    Date of Data Collection
    late 1960s
    Source(s) of Data (Input)
    manuscript records of royal notories (escrivaes), located in the National Archive at Rio de Janeiro

    Methodology:

    Description of Sampling Design/Selection
    universe
    Instrumentation
    registry records
    Data Quality
    complete materials for 351 cases; partial data in form of totals landed alive (20 cases); no totals whatsoever (4 cases), but with year and month of arrival and in some cases port of origin.
    Unit of Analysis/Record Type
    375 slave ships
    Number of Variables
    17
    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:

    Edits, Corrections, and Cleaning
    edited and corrected by the compiler
    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
    "The Trade in African Slaves to Rio de Janeiro, 1795-1811: Estimates of Mortality and Patterns of Voyages," Journal of African History 10 (4), 1969, pp. 533-549 (Herbert S. Klein); The Middle Passage: Comparative Studies in the Atlantic Slave Trade (Princeton, NJ: Princeton University Press, 1978); 'O trafico de escravos africanos para o porto de Rio de Janeiro, 1825-30,' Anais de Historia (Assis, Sao Paulo), v (1973).


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