Kiyoshi ISHIKA WA This paper 互 s to clarify the procedure of the reception of finestra a crecieru to the Roman palaces in the fif し eenth century after the long residence of the papacy in Avignon . The 丿 蔭 nestra a crociera was 五rst used in the facade of Pa 星 azzo Semator { o at the Campidoglio in the oppor 亡 unity of the omamental preparation for the Jubilee in 1450 and the imminent arrival of the Emperor Frederick 皿 , who e to Rome for his coronation in 1452, and soon di 血 sed 洫 various

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... s for the cardinals and the leading of五cials. The finestra a croCiera as a metaphor of the Holy Cross and the crossed keys of Peter also symbolized the primacy of the pope to the Council , and 血 e Vatican control to the city . The o 伍 ce of the Maeshi detle strade for the restoration of Rome was revived by Pope Mhrtin V in 1425. This regulation was repeated in the statutes il11452 and the bull issued by S s W in 1480 . The power of the Maeshi delle strade who were appo ted by the Pope increased as the 丘fし een 廿1 centUry advanced , This supremacy of the papacy in political matters was to play an important part in the prompt contro10f the cityscape .