Сокровенные Слова (Sokrovenyje Slova, Sokrovennoe Slova), с предисловием Шоги Зффенди by Baháʼu'lláh (Baha'u'llah) Bahaullah - Unknown (c. 1933): (Translated: The Hidden Words, with a preface by Shoghi Effendi). Also known as the "Hidden book of the Fatimih."

Contains 82 stanzas (per the Persian translation) and a closing paragraph by the author. Shoghi Effendi first translated this work into English in 1927 with the help of two others, and the first Russian translation is said to be written in 1933, therefore as this contains a preface by Shogi Effendi, this book was published near or after 1933 (Shoghi Effendi, Range and Power of His Pen, by Nakhjavani, p. 54-56 and Baháʼí News. No. 320. October 1957, p. 4). Half polished black calf with gilt rule over marbled boards. Marbled endpapers. Unpaginated. 4 x 5 1/2 inches.