BLIB.Manuscripts in the British Library, London, listed by Or number. For a handlist of works of the Báb see Chapter 25 of https://archive.org/details/descriptivelisto00brituoft/page/n3. Regarding manuscripts in the series Or16590 through Or15740, which together comprise half of all known works of Bahá’u’lláh, including some 4,000 items which are uniquely accessible in this series: These were the bequest of a descendent of the family of Bahá’u’lláh; were mostly transcribed by Mírzá Muḥammad-‘Alí, and are likely to have been derived in part from the two stolen satchels of Bahá’u’lláh’s papers mentioned in GPB p.249 and MMK4#189 p.276. While included here owing to their importance, their degree of fidelity to the originals has not yet been ascertained
NFR.Nafaḥát al-Raḥmán. Editora Bahá’í-Brasil, 1982. Collection of prayers in Arabic reproduced from a manuscript in the hand of Zaynu’l-Muqarrabin. https://bahai-library.com/bahailib/23.pdf