Burroughs, William S., 1914-1997 Travels Amazon River Region. (Personal Name)

His The letters of William S. Burroughs, 1945-1959, 1993.

Yage letters, c1963.

The yage letters redux, 2006.

Rub out the words, c2012 : t.p. (letters of William S. Burroughs, 1959-1974)