Carta relativas a la lucha por la existencia
By: escritas por los ingenieros Juan Mateos y Agustín Aragón.
Publisher: Oficina tip. de la Secretaría de fomento
Published: 1896
Place of publication: Mexico
Language: spa
Number of pages: 28
Notes: Microfilm. Washington, D.C. : Library of Congress Photoduplication Service, 1987. 1 microfilm reel ; 35 mm.
Call number of original: QH367.M42.
Master microform held by: DLC.
[microform]