“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, no. 120, Dec. 2025, pp. 19-81, https://doi.org/10.33426/rcg/2025/120/1877.