282 BIBLIOGRAPHIES
best guide is M.C. Diaz y Diaz, Codices visigtiticos en la monarquia leonesa (Leon, 1983). On
the manuscripts associated with the Rioja, which was normally part of the kingdom of
Pamplona see M.e. Diaz y Diaz, Libros y /ibrerias en La Rioja altomedieval (Logroiio, 1979),
and, from more of an artistic point of view, S. Silva y Verastegui, lconografta del siglo X
en el Reino de Pamplona-Ntijera (Pamplona, 1984). There are three useful studies of Oliba,
the leading figure in the intellectual life of early Catalonia: R. d'Abadal, L'abat Oliba i
seva epoca (Barcelona, 1948); E. Junyent, Commemoraciti millenil1ia del naixment de /'abat-
bisbe Oliba: esMs biogriijic (Montserrat, 1971), and A.M. A1bareda, L 'abat Oliba: assaig biogriijic
(Montserrat, 1972). On his monastery of Ripoll and its art see E. Junyent, EI monastiT
romanic de Santa Maria de Ripoll (Barcelona, 1975).