Columbia subject headings:
Harvard subject headings:
Books and reading--Mexico--Campeche (Campeche)--History--19th century.
Books and reading--Mexico--Mérida--History--19th century.
Booksellers and bookselling--Mexico--Campeche (Campeche)--History--19th century.
Booksellers and bookselling--Mexico--Mérida--History--19th century.
Libraries--Mexico--Campeche (Campeche)--History--19th century.
Libraries--Mexico--Mérida--History--19th century.
Princeton subject headings:
Book industries and trade--Mexico--Campeche (Campeche)--History--19th century.
Book industries and trade--Mexico--Mérida--History--19th century.
Books and reading--Mexico--Campeche (Campeche)--History--19th century.
Books and reading--Mexico--Mérida--History--19th century.
Booksellers and bookselling--Mexico--Campeche (Campeche)--History--19th century.
Booksellers and bookselling--Mexico--Mérida--History--19th century.
Libraries--Mexico--Campeche (Campeche)--History--19th century.
Libraries--Mexico--Mérida--History--19th century.