Letter to the Bāb's aunt, called Khānim-i Buzurg, inciting her to accept Bahāʼullāh and abjure Ṣubḥ-i Azal
- Manuscripts:
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- F. 60 (University Library, Cambridge University) — 20th Century
- F. 61 (University Library, Cambridge University) — 20th Century
The above references reflect only the current coverage of the online catalogue and may not be comprehensive.