Columbia subject headings:
Harvard subject headings:
Di Lorenzo, Giovanni--Political and social views.
Di Lorenzo, Giovanni.
Hacke, Axel, 1956-
Hacke, Axel, 1956---Political and social views.
Social values
Princeton subject headings:
Di Lorenzo, Giovanni--Political and social views.
Di Lorenzo, Giovanni.
Hacke, Axel, 1956-
Hacke, Axel, 1956---Political and social views.