Alice Helen Frankel.
Draftsmen. (Occupational briefs on America's major job fields, no. 49)
R660312. Draftsmen. By Alice Helen Frankel. (Occupational briefs on America's major job fields, no. 49) NM: revisions & additions. © 10May49; AA117482. Science Research Associates. Inc. (PWH); 31Mar77; R660312.
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