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Restricted accessResearch articleFirst published December, 1926pp. 231-234Restricted accessResearch articleFirst published December, 1926pp. 234-241Restricted accessResearch articleFirst published December, 1926pp. 241-243Restricted accessResearch articleFirst published December, 1926pp. 243-245Restricted accessEditorialFirst published December, 1926pp. 246-247Restricted accessResearch articleFirst published December, 1926pp. 248-250Restricted accessResearch articleFirst published December, 1926pp. 251-254Restricted accessResearch articleFirst published December, 1926pp. 254-258Restricted accessBook reviewFirst published December, 1926pp. 258-259Restricted accessBook reviewFirst published December, 1926pp. 259-260Restricted accessBook receivedFirst published December, 1926pp. 260-260Restricted accessBook reviewFirst published December, 1926pp. 260-260
