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July 6. Viterbo. Pope Alexander IV writes to the podestà, captain, council, and people of Pisa [concerning the war of St Sabas], relating with sorrow that he once heard that the hatred between them and the citizens of Genoa had grown into a destructive war, which could lead among other things to the extreme desolation of the already miserable Kingdom of Jerusalem. Thus the pope sent Archbishop [Giovanni Colonna] of Messina to them, and the Pisans sent to the curia ambassadors and nuncios with sufficient mandate to discuss the matter of the discord and war with Genoa, for the good state of the kingdom and the increase of the orthodox faith. This resulted in a papal arrangement, outlined in a public instrument. The pope asks, warns, and urges the Pisans to observe the peace with the Genoese, proclaiming the peace publicly within three days of receiving this letter. He orders that in the coming passagium in August or earlier they send via their nuncio special letters to the Pisan consuls, admirals, or captains and other Pisans in Outremer and elsewhere informing them of the arrangement, telling them that a papal legate or nuncio will be sent quickly to Outremer for solidifying the peace and settling disputes, and having them observe the peace. The pope also wants the Pisans to have their nuncios or procurators with sufficient mandate meet the legate or nuncio in the city of Acre (Acconensis) when he arrives, to discuss the peace arrangements. For this purpose, the Pisans are not to send any fleet to Outremer, and they should send quickly the pertinent papal letter with their own to the Genoese, Pisans, and Venetians living in Outremer, thus fulfilling the papal mandate.