Paternal authority, [73]
Paternity, inquiry into, [58]
Patriarchy, [72]
Physical education, [201-204]
Physicians. See [Doctors]
Playgrounds for children, supervised, [208]
Pneumonia, [135]
Poor-relief, factors of, [58], [59]
Population question, quantity, [3-16]
— — quality, [25-41]