* Joyce Morgan and Conrad Walters, "Journeys on the Silk Road: a desert explorer, Buddha’s secret library, and the unearthing of the world’s oldest printed book", Picador Australia, 2011, ISBN 978-1-4050-4041-9.
ISSN 1354-5914* Joyce Morgan and Conrad Walters, "Journeys on the Silk Road: a desert explorer, Buddha’s secret library, and the unearthing of the world’s oldest printed book", Picador Australia, 2011, ISBN 978-1-4050-4041-9.