Laut John H. Elliott, "Between 1347 and 1497 the Principality [Catalonia] had lost 37% of its inhabitants, and was reduced to a population of something like 300,000." John Huxtable Elliott: The revolt of the Catalans: a study in the decline of Spain (1598–1640). Cambridge University Press, 1984, ISBN 0-521-27890-2, S.26 (google.com).
derechoaragones.es
Antonio Ubieto Arteta: Creación y Desarollo de la Corona de Aragón (= Historia de Aragón). Anubar Ediciones, Zaragoza 1987, ISBN=84-7013-227-X (online in der Biblioteca virtual de Derecho aragonés).
