Perutren - The Central Railway of Peru original Stephen Phillips - Håndtegnede linjekart fra 1999 original Rodrigue Lévesque: Railways of Peru, Volume 2 (forhåndsvisning i GoogleBooks) ISBN 0969036760 Haiti trust - Making of America: Scribner's Monthly Vol. XIV. August, 1877. No. 4. - A Railroad in the Clouds (fra byggingen av strekningen Chicla - La Oroya). : Catskill Archives: A Railroad in the Clouds - Oroya Railroad - Scribner's—Vol. XIV.—29.