Bulugh al-Maram is the shortened name of the collection of hadith by al-Hafidh ibn Hajar al-Asqalani entitled, Bulugh al-Maram min Adillat al- Ahkam (translation: Attainment of the Objective According to Evidences of the Ordinances). It contains a total of 1358 hadiths., At the end of each hadith narrated in Bulugh al-Maram, al-Hafidh ibn Hajar mentions who collected that hadith originally.[Source: link]
