End-of-course test in Steam locomotive repair work. Course no.J422. Prepared by J. Wayne Wrightstone & John R. Clark.
WRIGHTSTONE, J. WAYNE. End-of-course test in Steam locomotive repair work. Course no.J422. Prepared by J. Wayne Wrightstone & John R. Clark. © 15Dec45; AA13478. Educational Testing Service (PWH); 2Jan73; R542198.
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