Columbia subject headings:
Harvard subject headings:
Majorca (Spain)--Emigration and immigration--History--19th century--Exhibitions.
Majorcans--Puerto Rico--History--19th century--Exhibitions.
Puerto Rico--Emigration and immigration--History--19th century--Exhibitions.
Princeton subject headings:
Majorca (Spain)--Emigration and immigration--Exhibitions.
Puerto Rico--Emigration and immigration--Exhibitions.
Puerto Rico--History--19th century--Exhibitions.