Columbia subject headings:
Harvard subject headings:
Archaeology--Case studies.
Technological innovations--Case studies
Technological innovations--History
Technology and civilization--Case studies.
Technology and civilization--History
Princeton subject headings:
Archaeology--Case studies.
Archaeology--Technological innovations--Case studies.
Case studies.
Technological innovations--Case studies.
Technological innovations--History.
Technology and civilization--Case studies.
Technology and civilization--History.