found: El período del segundo iconoclasmo en Theophanes Continuatus, 1995:title page (Juan Signes Codoñer)
found: El Imperio bizantino, 1997:title page (J. Signes Codoñer)
found: Textual transmission in Byzantium : between textual criticism and Quellenforschung, 2014:title page (Juan Signes Codoñer) page 11 (Juan Signes Codoñer ; Valladolid
found: Universidad de Valladolid website, viewed February 12, 2015:link to Directory, Department of Classical Philology (Signes Codoñer, Juan; Greek Philology)
found: Deutsche Nationalbibliothek, via VIAF, 30 Novemeber 2015(Signes Codoñer, Juan; born 1964; Byzantinist, classical philololgist, Hellenist; teaches at University of Valladolid)