Lawḥ-i-Mawlúd
From Bahai9
Read online at https://bahai.org/library/authoritative-texts/bahaullah/days-remembrance/#r=dr_en-42 or https://bahai-library.com/compilation_days_remembrance#sec42
Read excerpt online at Tablets of Bahá'u'lláh, pp. 233-234.