(1913). Inherited tendencies of secondary instruction in the United States / by Herbert Galen Lull.
Tohutoru Kātū Chicago (17th ed.)Inherited Tendencies of Secondary Instruction in the United States / by Herbert Galen Lull. 1913.
Tohutoro MLA (9th ed.)Inherited Tendencies of Secondary Instruction in the United States / by Herbert Galen Lull. 1913.
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