This article reviews and analyzes the various contributions on the work of Vera Tassis, especially as regards the texts edited by him, and highlights the major points of conflict that exist today, particularly the value one can give to the texts which Vera may have followed as a basic text and his relevance in detecting possible double versions of works by Calderón de la Barca. It would be desirable to advance the investigation in these areas towards Calderón’s controversial friend.<br><br>En este artículo se repasan y analizan las diferentes aportaciones sobre la labor de Vera Tassis, en especial en lo que respecta a los textos editados por él, y se señalan los mayores puntos de conflicto que existen en la actualidad, particularmente el va...