Guillermo Angulo
Puerto Rican baseball player

Guillermo Angulo Luciano (June 25, 1902 – August 22, 1979) was a Puerto Rican first baseman in the Negro leagues.
A native of Carolina, Puerto Rico, Angulo played for the Cuban Stars (East) in 1929. In his three recorded games, he posted one hit in 13 plate appearances. Angulo died in his hometown of Carolina in 1979 at age 77. He was buried at Cementerio Municipal de Carolina.
Begin with the source’s own compact description: “Guillermo Angulo” is puerto Rican baseball player. The dossier treats that line as a proposition to test through Guillermo, Angulo and Puerto, not as a finished interpretation.
Why this record matters
The phrase “puerto Rican baseball player” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
The entry’s evidential value lies in the named roles, institutions and publications that can be tested against primary documentation. The source revision retrieved here is dated Sep 8, 2026. The linked authority identifier is Q106549963. None of the 1 selected statements returned an explicit reference. The first chronological checks are 1902, 1979 and 1929.
Later biographies can compress uncertainty and repeat inherited reputations, so apparently settled claims may still require comparison. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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Three-step research path
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Questions for further research
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This entry incorporates text from “Guillermo Angulo” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.