found: nuc86-99199: His Las relaciones monarquia-episcopado castellano ... 1983(hdg. on CU rept.: Nieto Soria, José Manuel; usage: José Manuel Nieto Soria)
found: His Fundamentos ideológicos del Poder Real en Castilla (siglos XIII-XVI), 1988:t.p. (José Manuel Nieto Soria)
found: La nobleza y la cultura política de la negociación en la baja Edad Media, 2020:title page (José Manuel Nieto Soria) front flap (full professor of Medieval History at the Universidad Complutense de Madrid ; his research focuses on Castilian-Leonese Crown from 13th to 15th centuries)