Speech given by Leopoldo Calvo-Sotelo, candidate for Prime Minister, before the plenary sitting of the Congress of Deputies on 18th February 1981: (Accompanied by commentary “Leopoldo Calvo-Sotelo, a two-year contract” by Pablo Pérez López y José-Vidal Pelaz López). Journal of the Cortes Generales, n. 120, p. 19–81, 30 Dec.2025.