Colophon at end reads "Materials Compiled by H.C.D at the invitation of the National Spiritual Assembly of the Bahá’ís of Italy, for an Acuto gathering 2013" with the link http://bit.ly/acuto-­‐immortality which points to dl.dropboxusercontent.com/u/382588/badasht-study-materials/Immortality-Acuto-A4.pdf -- which is defunct and is not preserved in Wayback Machine.

See also the audio files of the same name (Dunbar, 1989).