Philosophy, Ionian, [216]; Eleatic, [220]; sophist, [221]; stoic, [225]; sceptic, [225]; influence of Greek on civilization, [226], [228].
Phoenicians, the, become great navigators, [161]; colonization by, [161].
Physical needs, efforts to satisfy, [82-85].
Picture writing, [126].
Pithecanthropus erectus, [29].
Plato, [222].
Political ideas, spread of, [486-488].
Political liberty in XVIII century. [Transcriber's note: no page number in source]
Polygenesis, monogenesis, [66].