[es] Literatura norteamericana--S.XX

[ca] Literatura nord-americana-S. XX

[en] American literature-20th century

[fr] Littérature américaine-20e siècle

Generación Beat

Literatura steampunk norteamericana

http://lemac.sgcb.mcu.es/Autoridades/LEMAC201201102/concept

http://id.loc.gov/authorities/subjects/sh85004341

http://data.bnf.fr/ark:/12148/cb12075584b

http://datos.bne.es/resource/XX4343917

http://datos.bne.es/resource/XX529338