Where can I find information about the classical elements from Greece, Babylonia and the Hindu and Buddhists?

The idea of elements being the building blocks of matter has been deeply routed in numerous societies. I am simply looking for online sources, books, or other sources providing information about the classical elements related to Greece, Babylonia and Hindu and Buddhist traditions.Where can I find information about the classical elements from Greece, Babylonia and the Hindu and Buddhists?wikipedia is a good source