Blankenburg, M. A. (1940). Contributions of German Jesuits to the Golden Age of Paraguay.
Lua i Stíl Chicago (17ú heag.)Blankenburg, Mary Angela. Contributions of German Jesuits to the Golden Age of Paraguay. 1940.
Lua MLA (8ú heag.)Blankenburg, Mary Angela. Contributions of German Jesuits to the Golden Age of Paraguay. 1940.
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