Collected Letters of Baha'u'llah in Arabic and Persian, INBA Volume 41
Majmu`ih-'i Athar-i Qalam-i A`la ("Collected Letters of Baha'u'llah"). Volume 41. Iran National Baha'i Archives Private Printing: Tehran, c. 1977. Reprinted, East Lansing: H-Bahai, 2000.
The scanner notes: "N.B. In Volume 41 there were 7 empty pages that had nothing on them originally (pages 20, 141,149, 308, 310, 311 and 316). There is a very faded line on page 167; pages
279, 335 and 343 have margins slightly cut off."