Columbia subject headings:
Harvard subject headings:
Baltic States--History--19th century.
Baltic States--History--20th century.
Historians--Baltic States--Biography.
Humanities--Baltic States--History--19th century.
Humanities--Baltic States--History--20th century.
Journalists--Baltic States--Biography.
Scholars--Baltic States--Biography.
Princeton subject headings:
Baltic States--History--19th century--Biography.
Baltic States--History--20th century--Biography.
Historians--Baltic States--History--19th century--Biography.
Historians--Baltic States--History--20th century--Biography.
Humanities--Baltic States--History--19th century--Biography.
Humanities--Baltic States--History--20th century--Biography.
Journalists--Baltic States--History--19th century--Biography.
Journalists--Baltic States--History--20th century--Biography.
Scholars--Baltic States--History--19th century--Biography.
Scholars--Baltic States--History--20th century--Biography.