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Hadfield, Robert Abbott A Shorter Working Day
Hadfield, Robert Abbott A Shorter Working Day
Hadfield, Robert Abbott Manganese-steel: I. Manganese In Its Application To Metallurgy : Ii. Some Newly-discovered Properties Of Iron And Manganese
Hadfield, Robert Abbott Manganese-steel: I. Manganese In Its Application To Metallurgy : Ii. Some Newly-discovered Properties Of Iron And Manganese
Hadfield, Robert Elijah Ward, a Biographical Sketch
Hadfield, Robert Elijah Ward, a Biographical Sketch
Hadfield, Robert Abbott