Primitive religion. See [Religion.]
Primogeniture.
Abolition of the law of primogeniture. Askew, 1911, p. 186: Briefs.
Printing-press and steam-engine.
Which has done the greater service to mankind, the printing press or the steam engine? Rowton, p. 153: Speeches and references.
Prison labor. See [Convict labor.]
Prisons.
Prison reform. Askew, 1906, p. 184: Briefs and references.—Askew, 1911, p. 186: Briefs.
Should our prisons be reformed? Gibson, p. 150: Briefs and references.
Should the chief purpose of a prison be to punish or to reform? Matson, p. 162: Briefs and references.