| Aq. | Kitáb-i-Aqdas, the Most Holy Book. |
| ESW. | Epistle to the Son of the Wolf (Bahá'í Publishing Trust, Wilmette; 1949). |
| Gl. | Gleanings from the Writings of Bahá'u'lláh (Bahá'í Publishing Trust, Wilmette; 1963). |
| PDC. | The Promised Day is Come, Shoghi Effendi (Bahá'í Publishing Trust, Wilmette; 1941). |
| SM. | Súriy-i-Mulúk (Tablet to the Kings, quoted in various works). |
| QV. | Tablet to Queen Victoria. |
| v | Part of the record by E. G. Browne, the orientalist, of the words addressed to him by Bahá'u'lláh on the occasion of Browne's visit to Him |