Alice Helen Frankel.
Plumbers and steamfitters. (Occupational briefs on America's major job fields, no. 44)
R653424. Plumbers and steamfitters. By Alice Helen Frankel. (Occupational briefs on America's major job fields, no. 44) NM: completely rewritten. © 8Apr49; AA113289. Science Research Associates, Inc. (PWH); 11Feb77; R653424.
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