: Sitios como Uniliber o Iberlibro suelen listar copias de la edición de 1963 y posteriores.
Evaristo Acevedo (1915–1997), a well-known Spanish humorist famous for his work in the magazine La Codorniz and his section "La cárcel de papel".
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Quienes intentan triunfar hablando mal de todo suelen experimentar:
Research in social psychology (e.g., Gottman’s studies on relationships, Cuddy’s work on warmth/competence) consistently shows: