Monasteries of the world : the rise and developement of the monastic tradition / Christopher Brooke; Fot. Wim Swaan
1ª exposição de "Ex-Libris" em Portugal : 1768-1923 / Imprensa Nacional de Lisboa
L' âge d'or des livres d' heures / J. P. Harthan; colab. Roger Gheysen e Anne - Françoise Lambiotte; trad. Maurice Daubie
Art & architecture of the Late Middle Ages : 1350 to the Advent of the Renaissance; pref. Wim Swaan