Columbia subject headings:
Astral body--China--History.
China--History--Tang dynasty, 618-907.
China--Religion.
Taoism--China--History.
Harvard subject headings:
Beginning of the subtle school of Taoism--Criticism, interpretation, etc.
Beginning of the subtle school of Taoism. Selections--Translations into English.
China--History--Tang dynasty, 618-907--Sources.
Taoism
Princeton subject headings:
Astral body--China--History.
China--History--Tang dynasty, 618-907.
China--Religion.
Taoism--China--History.