[Larkin, E.P., Superintendent; Smith, Henry C., Superintendent]. Historically Significant Archive of Twenty Original Manuscripts, Documenting Early Activities and Financial Operations of Pioneer Oil Companies in the Tumbes and Zorritos Regions of Peru – American-founded and Owned Peruvian Petroleum Company, Peruvian Refinery Company and Peruvian Petroleum and Refinery Company, Including Balance Sheets, Statements of Accounts, Financial Journals, Calculations of Oil Production, Cargo Shipments, &c., with One Signed by E.P. Larkin, and Several Compined by Henry C. Smith. Tumbez & Zorritos (Peru), ca. 1868-1878.