http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Introducere in studiul limbilor romanice. English
[by] Iordan [and] Orr. Rev., with a supplement Thirty years on, by R. Posner.
Orr's translation and revision of Iordan's Rumanian work Introducere in studiul limbilor romanice.