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Oxford University Press
> Sir Harold Hartley
Sir Harold Hartley
H.H.
ยท
S H
title
ISBN-13
(ISBN-10)
year of publication
Contribution of Engineering to the British Economy
978-0-19-711742-2
(0-19-711742-2)
1965
Studies in the History of Chemistry
978-0-19-858130-7
(0-19-858130-0)
1971
Sir Harold Idris Bell