ProQuest (Firm). (1909). Production of iron ore and pig iron. Letter from the Secretary of Commerce and Labor, stating, in response to a Senate resolution of February 10, 1909, calling for certain information respecting the production of iron ore and pig iron, that no statistics on the subject have been collected since 1905, etc. [publisher not identified].
Chicago Style (17th ed.) CitationProQuest (Firm). Production of Iron Ore and Pig Iron. Letter from the Secretary of Commerce and Labor, Stating, in Response to a Senate Resolution of February 10, 1909, Calling for Certain Information Respecting the Production of Iron Ore and Pig Iron, That No Statistics on the Subject Have Been Collected Since 1905, Etc. Washington: [publisher not identified], 1909.
MLA (9th ed.) CitationProQuest (Firm). Production of Iron Ore and Pig Iron. Letter from the Secretary of Commerce and Labor, Stating, in Response to a Senate Resolution of February 10, 1909, Calling for Certain Information Respecting the Production of Iron Ore and Pig Iron, That No Statistics on the Subject Have Been Collected Since 1905, Etc. [publisher not identified], 1909.