Mason, John 1867- Evolution made plain, [by] John Mason. - Girard, Kan., Haldeman-Julius company, [c1923] - 63 p. 13 cm. - Pocket series no. 467 ed. by E. Haldeman-Julius . Advertising matter: p. 56-63. LCCN: ca 24000684 Subjects--Topical Terms: Evolution. LC Class. No.: QH367 / .M38