http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
de F. Marbeau ; traducidos por Manuel A. Fuentes.
Translation of: Études sur l'économie sociale.
Reproduction of the original from the University of Kansas.
Making of the modern world. Part 2 (1851-1914)