Bukhari Book of Adhan Session 2 – Laila Nasheeba
Hadiths addressing how if the weather is bad the Imam can have included in the athan for the people to pray at home. Also men get more rewards in the first rows of the prayer. Also how bilal called the adhan and Ibn Umm Mahtoom called the Iqama. Also how athan was called during war times to signify that the village was not enemy