American poet, Bob Holman (along with producer-editor-director, Ram Devineni), a few years back, made a film-documentary, Ginsberg’s Karma (2020 update – this has recently been refurbished, (with the help of a NEH grant) and will be available next year)
Deborah Baker‘s authoritative book, A Blue Hand, we’ve already featured (along with notice of the remarkable symposium that took place at the Asia Society in New York, in 2011, following the publication of that book).
And, of course, there’s the primary source, Allen’s own published Indian Journals
(also, see their recent reprint of Deborah Baker’s memoir/article here)
and then there’s our curiously popular SS Amra posting.