Source of The Dawn-Breakers

Mullá Muḥammad Shafí, Hussein Ahdieh, trans. Diary of Mullá Muhammad Shafi, The (2010). Translation of a diary so thorough that it became the prime source of information for many future historians (incl. Nicolas, Mazandarani, Avareh, Rouhani, Faizi, and Shaykh Bahá'í), much of which was used in Nabíl's The Dawn-Breakers.

https://bahai-library.com/shafi_ahdieh_diary