AUDIO TAPES. Recordings of lectures, courses, meetings, conferences, musical presentations, or religious liturgies. Included are tapes of both Grail and non-Grail members, both religious and lay persons. This is an incomplete collection with large gaps and missing tapes.

FILMS. Films made by or about the Grail or in some instances about areas of interest to the Grail, e.g. "Works of Peace" and "Refugee Camp at Junk Bay, Hong Kong".

VIDEO TAPES. Some video tapes are duplicates of the film series. Additional videos cover interviews with international Grail people, selected program excerpts, workshops, etc.