Will and Testament of ʻAbdu'l-Bahá

The Will and Testament of ʻAbdu'l-Bahá was a seminal document of the Baháʼí Faith, written in three stages by ʻAbdu'l-Bahá. Several sections were written under imminent threat of harm.

Source: Wikipedia — Will and Testament of ʻAbdu'l-Bahá (CC BY-SA 4.0)