Analysis of information sources in references of the Wikipedia article "Haifa" in English language version.
Haifa was taken [...] in August 1100 or June 1101, according to Muslim sources which contradict one another. Albert of Aachen does not mention the date in a clear manner either. From what he says, it appears that it was mainly the Jewish inhabitants of the city who defended the fortress of Haifa. In his rather strange Latin style, he mentions that there was a Jewish population in Haifa, and that they fought bravely on the walls of the city. He explains that the Jews there were protected people of the Muslims (the Fatimids). They fought side by side with units of the Fatimid army, striking back at Tancred's army from above the walls of the citadel (... Judaei civis comixtis Sarracenorum turmis) until the Crusaders overcame them and they were forced to abandon the walls. The Muslims and the Jews then managed to escape from the fortress with their lives, while the rest of the population fled the city en masse. Whoever remained was slaughtered, and huge quantities of spoils were taken. [...] [Note #3: Albert of Aachen (Albericus, Albertus Aquensis), Historia Hierosolymitanae Expeditionis, in: RHC (Occ.), IV. p. 523; etc.]
Haifa was taken [...] in August 1100 or June 1101, according to Muslim sources which contradict one another. Albert of Aachen does not mention the date in a clear manner either. From what he says, it appears that it was mainly the Jewish inhabitants of the city who defended the fortress of Haifa. In his rather strange Latin style, he mentions that there was a Jewish population in Haifa, and that they fought bravely on the walls of the city. He explains that the Jews there were protected people of the Muslims (the Fatimids). They fought side by side with units of the Fatimid army, striking back at Tancred's army from above the walls of the citadel (... Judaei civis comixtis Sarracenorum turmis) until the Crusaders overcame them and they were forced to abandon the walls. The Muslims and the Jews then managed to escape from the fortress with their lives, while the rest of the population fled the city en masse. Whoever remained was slaughtered, and huge quantities of spoils were taken. [...] [Note #3: Albert of Aachen (Albericus, Albertus Aquensis), Historia Hierosolymitanae Expeditionis, in: RHC (Occ.), IV. p. 523; etc.]