Campos, J. Juan de Biclaro, obispo de Gerona, 1960 p. 18 (Juan Gerundense; b. 540) p. 29 (lived until 624 or 625) p. 15 (Ioannes Gerundensis)
Dict. de hist. de Port., 1963 (Biclara, João de, or Biclarense, ca. 540-?: also called João Escalabitano: b. in Biclara, today called Vallclara; bishop at Gerona ca. 590 to ca. 621)
Grande encic. port. e bras. (Biclara, João de; d. approx. 621; 1st abbot of Valclara whose monastery he founded in 591; used names João de Valclara and João Biclarense)
Nouv. biog. gén. (Biclara, João de; lived in 6th cent., bishop at Gerona)
NUC pre-1956 (Johannes, of Biclara, Bp. of Gerona, 6th cent.)
BM (Joannes, Biclarensis, Bishop of Gerona; ref. Biclarensis, Joannes)
Conquerors and chroniclers of early medieval Spain, 1990 p. x (John of Biclaro)
Encic. univ. ilus. europeo-amer. (Biclara ó Valclara, Juan de)