It is an unofficial catalog of some 650 works attributed to the Báb, 11,800 works attributed to Bahá’u’lláh, and 12,000 works attributed to ‘Abdu’l-Bahá which are accessible to the public, either in published form, in manuscripts held in national or institutional archives, or in digital images, texts and translations found on the Internet. The holdings of the Bahá’í World Centre Archives in Haifa, which are not open to the public, are not included. A "Partial Inventory" of a two-volume resource for the identification of over 29,000 Bahá'í texts in Persian Arabic and English can be download here. More information on the website can be found on his blog.

His presentation Overview of the Writings of the Báb can be found on the Wilmette Institute website as well as Approaching the Writings of Bahá'u'lláh.