Columbia subject headings:
Harvard subject headings:
Patpong (Bangkok, Thailand)--Social life and customs--Pictorial works.
Sex addicts--Thailand--Bangkok--Pictorial works.
Sex customs--Thailand--Bangkok--Pictorial works.
Sex-oriented business--Thailand--Bangkok--Pictorial works.
Subculture--Thailand--Bangkok--Pictorial works.
Princeton subject headings:
Bangkok (Thailand)--Social life and customs--Pictorial works.
Sex addicts--Thailand--Bangkok--Pictorial works.
Sex customs--Thailand--Bangkok--Pictorial works.
Sex-oriented business--Thailand--Bangkok--Pictorial works.
Subculture--Thailand--Bangkok--Pictorial works.