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41Published 1940Subjects: “...Copper. http://id.loc.gov/authorities/subjects/sh85032278...”
Electronic resource (PDF)
Government Document eBook -
42Published 1940Subjects: “...Copper. http://id.loc.gov/authorities/subjects/sh85032278...”
Electronic resource (PDF)
Government Document eBook -
43Published 1941Subjects: “...Copper. http://id.loc.gov/authorities/subjects/sh85032278...”
Electronic resource (PDF)
Government Document eBook -
44Published 1941Subjects: “...Copper. http://id.loc.gov/authorities/subjects/sh85032278...”
Electronic resource (PDF)
Government Document eBook -
45Published 1941Subjects: “...Copper. http://id.loc.gov/authorities/subjects/sh85032278...”
Electronic resource (PDF)
Government Document eBook -
46Published 1941Subjects: “...Copper. http://id.loc.gov/authorities/subjects/sh85032278...”
Electronic resource (PDF)
Government Document eBook -
47Published 1941Subjects: “...Sulfur. http://id.loc.gov/authorities/subjects/sh85130365...”
Electronic resource (PDF)
Government Document eBook -
48Published 1941Subjects: “...Calcium. http://id.loc.gov/authorities/subjects/sh85018768...”
Electronic resource (PDF)
Government Document eBook -
49Published 1941Subjects: “...Coal. http://id.loc.gov/authorities/subjects/sh85027307...”
Electronic resource (PDF)
Government Document eBook -
50Published 1934Subjects: “...Iron. http://id.loc.gov/authorities/subjects/sh85068131...”
Electronic resource (PDF)
Government Document eBook -
51Published 1933Subjects: “...Electric power. http://id.loc.gov/authorities/subjects/sh85041875...”
Electronic resource (PDF)
Government Document eBook -
52Published 1934Subjects: “...Chemistry. http://id.loc.gov/authorities/subjects/sh85022986...”
Electronic resource (PDF)
Government Document eBook -
53Published 1933Subjects: “...Copper. http://id.loc.gov/authorities/subjects/sh85032278...”
Electronic resource (PDF)
Government Document eBook -
54Published 1939Subjects: “...Carbon. http://id.loc.gov/authorities/names/no93013224...”
Electronic resource (PDF)
Government Document eBook -
55Published 1944Subjects: “...Chemistry. http://id.loc.gov/authorities/subjects/sh85022986...”
Electronic resource (PDF)
Government Document eBook -
56Published 1944Subjects: “...Coal. http://id.loc.gov/authorities/subjects/sh85027307...”
Electronic resource (PDF)
Government Document eBook -
57Published 1944Subjects: “...Bronze. http://id.loc.gov/authorities/subjects/sh85017093...”
Electronic resource (PDF)
Government Document eBook -
58Published 1945Subjects: “...Magnesium. http://id.loc.gov/authorities/subjects/sh85079651...”
Electronic resource (PDF)
Government Document eBook -
59Published 1943Subjects: “...Rubber. http://id.loc.gov/authorities/subjects/sh85115631...”
Electronic resource (PDF)
Government Document eBook -
60Published 1937Subjects: “...Metals. http://id.loc.gov/authorities/subjects/sh85084167...”
Electronic resource (PDF)
Government Document eBook