"kingsford, p w. "
"engineers, inventors and workers:a classbook for social stud: ies/ p.w. kingsford" - 1 ed. - uk : edward arnold 1964. - ", 272p.; 19 cm."
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926. kin
"engineers, inventors and workers:a classbook for social stud: ies/ p.w. kingsford" - 1 ed. - uk : edward arnold 1964. - ", 272p.; 19 cm."
--
926. kin