Translation: Dhahak narrated from Ibn Abbas that Bounty means Knowledge (i.e of Quran and Tawhid)whereas Mercy means Muhammad (Salallaho alaihi wasalam) [ibn Jawzi Z'ad al Maseer fi Ilm at Tafsir, 4:40]
Translation: Bounty refers to Knowledge whereas Mercy refers to Muhammad (salallaho alaihi wasalam)[Tafsir Al-Bahr al Muheet, 5:171]
Abu Sheikh (rah) narrated from Ibn Abbas That Bounty of Allah means Knowledge, whereas Mercy means Muhammad (Salallaho alaihi wasalam)Allah Ta'ala said: We have sent thee not but as Mercy to Worlds (Al Anbiya: 107) [As-Suyuti in Dur al Manthur 4:330]
Narrated by Al Khatib (rah) and Ibn Asakir (rah) that Bountry refers to An-Nabi (Alaih Salatu Wassalam)[Al-Alusi in Ruh al Ma’ani 11:141]