Alice Helen Frankel.
Electricians and electrical workers. (Occupational briefs on America's major job fields, no. 25)
R650215. Electricians and electrical workers. By Alice Helen Frankel. (Occupational briefs on America's major job fields, no. 25) NM: material completely rewritten. © 12Jan49; AA105269. Science Research Associates, Inc. (PWH); 29Dec76; R650215.
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