spanning about three thousand years , taken mostly in india , but also in other countries where buddhism has been practiced , the photographs in this book , were compiled from many sources , but i would like to acknowledge especially three books ; the art of indian asia , by heinrich zimmer , completed and edited by joseph campbell and published by the bollingen press , the art of india though the ages , by stella kramrisch , published by phaidon , and the art of india ; temples and sculptures , by louis frederic , published by abrams .