3 1 50 The kingdom of acre and the later crusades Runciman, Steven Primary Author mixed material 0521347726 Cambridge Cambridge University Press 1951 History_of_the_crusades.jpg the kingdom of Jerusalem and the Frankish East, 1100-1187 Runciman, Steven Primary Author mixed material 0521347718 Cambridge Cambridge University Press 1951 History_of_the_crusades2.jpg a study of the christian dualist heresy Runciman, Steven Additional Author mixed material 0521061660 Cambridge Cambridge University Press 1982, c1947