El cuidado de los enfermos en los territorios hispánicos durante los siglos XVI al XX. Aspectos postales, por María Teresa Miralles Sangro Comisión de Publicaciones de la Real Academia Hispánica de Filatelia e Historia Postal. Madrid, 2019; 140 págs.
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This tool is under development and it was published with the objective to test the usage and performance. All the indicators are real and they are gradually being loaded. Slowness and out of service problems may occur in this version.