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In page Palaeography:

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There are undeniable points of contact between architecture and palaeography, and in both it is possible to distinguish a Romanesque and a Gothic period[citation needed]. The creative effort which began in the post-Carolingian period culminated at the beginning of the 12th century in a calligraphy and an architecture which, though still somewhat awkward, showed unmistakable signs of power and experience, and at the end of that century and in the first half of the 13th both arts reached their climax and made their boldest flights.