Slave Trade to Rio De Janeiro, 1795-1811

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Slave Trade to Rio de Janeiro, 1795-1811
A User's Guide to the Machine Readable Data File
Study Description

Slave trade to Rio de Janeiro, 1795-1811: a user's guide to the 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 Program Library Service [distributor].
1 v.
This is the descriptive documentation to be used in conjunction with the machine readable data file of the same primary title, Slave trade to Rio de Janeiro, 1795-1811 [machine-readable data file], compiled by Herbert S. Klein.
ISBN 0-89605-016-5
I. Klein, Herbert S.

Bibliographic Information

Cataloging-During-Production
- Summary
DPLS Acknowledgment
Acknowledgement of Assistance

File Inventory

Bibliographic Identity
Subject Contents
File History
Methodology
File Processing History
Availability

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 Program Library Service [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.

DPLS Acknowledgment

These data have been 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 Program Library Service 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 collector of the data. DPLS 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 Program Library Service 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 DPLS bears any responsibility for the analyses or interpretations presented here.

In order to provide funding agencies with essential information about use of archival resources and to facilitate the exchange of information about DPLS participants' research activities, each user of the DPLS facilities is expected to send two copies of each completed manuscript, thesis abstract or reprint to DPLS.

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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 Program Library Service, [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 Program Library Service, University of Wisconsin-Madison, 3313 Social Science Building, 1180 Observatory Drive, Madison, WI 53706
Location of the Documentation: Data and Program Library Service
Access Restrictions: none
Type of Access: batch
Retention Status: indefinitely
Costs: direct, plus DPLS 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).