found: Library of Congress Manuscript Division for the Papers of Alfred Mordecai, 1790-1948(Imperial Mexican Railway; Mordecai was an engineer with in 1865)
found: Wikipedia, viewed Sept. 2, 2011Mexican Railway (Ferrocarril Imperial Mexicano, Imperial Mexican Railway renamed Mexican Railway in 1867)
found: OCLC, Sept. 1, 2011(hdgs: Ferrocarril Imperial Mexicano; usage: Ferrocarril Imperial Mexicano, Imperial Mexican Railway, Imperial Mexican Railway Company)
notfound: Report of the proceedings of the ... Ordinary General Meeting, 1896.