- Publication venue
- 'University Library System, University of Pittsburgh'
- Publication date
- 04/03/1976
- Field of study
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- Publication venue
- 'University Library System, University of Pittsburgh'
- Publication date
- 04/06/1975
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- Publication venue
- 'University Library System, University of Pittsburgh'
- Publication date
- 20/12/1985
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- Publication venue
- 'University Library System, University of Pittsburgh'
- Publication date
- 14/12/1982
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- Publication venue
- 'University Library System, University of Pittsburgh'
- Publication date
- 07/12/1978
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- Publication venue
- 'University Library System, University of Pittsburgh'
- Publication date
- 07/06/1978
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- Publication venue
- 'University Library System, University of Pittsburgh'
- Publication date
- 22/09/1987
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- Publication venue
- 'University Library System, University of Pittsburgh'
- Publication date
- 29/09/1997
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- Publication venue
- 'University Library System, University of Pittsburgh'
- Publication date
- 04/03/1976
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- Publication venue
- Instituto Caro y Cuervo. Imprenta Patriótica
- Publication date
- 01/01/1979
- Field of study
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