[es] Batalla de Gettysburg, 1863

[en] Gettysburg, Battle of, Gettysburg, Pa., 1863

[fr] Bataille de Gettysburg (1863)

Estados Unidos--Historia--1861-1865 (Guerra civil)

http://id.loc.gov/authorities/subjects/sh85054737

http://purl.org/bncf/tid/67228

https://data.bnf.fr/ark:/12148/cb122258207