Columbia subject headings:
Mexico--History--19th century--Sources.
Rul, Diego, 1761-1823--Correspondence.
Harvard subject headings:
Mexico--History--19th century--Sources.
Mexico--History--Wars of Independence, 1810-1821--Personal narratives.
Rul, Diego, 1761-1823--Correspondence.
Rul, Diego, 1761-1823.
Soldiers--Mexico--Correspondence.
Princeton subject headings:
Mexico--History--Wars of Independence, 1810-1821--Personal narratives.
Rul, Diego, 1761-1823.
Soldiers--Mexico--Correspondence.