references used are ibn ishaq (references here are to ferdinand wüstenfeld's edition of sirat rasul allah, a life of the prophet by muhammad ibn ishaq in the annotated recension of ibn hisham). also ibn sa’ad (the references are to john leyden's edition of kitab al-tabaqat al kabir by muhammad ibn sa’d). also there is al-waqidi (and the references are to marsden jones' edition of kitab al maghazi, a chronicle of the prophet's campaigns, by muhammad ibn umar al- waqidi).