Columbia subject headings:
Harvard subject headings:
Asia, Central--Foreign relations--19th century.
Asia, Central--Foreign relations--20th century.
Asia, Central--Politics and government--19th century.
Asia, Central--Politics and government--20th century.
Germany--Foreign relations--1871-1918.
Germany--Politics and government--1871-1918.
Russia--Foreign relations--1801-1917.
Russia--Politics and government--1801-1917.
Princeton subject headings:
Asia, Central--Foreign relations--19th century.
Asia, Central--Foreign relations--20th century.
Asia, Central--Politics and government--19th century.
Asia, Central--Politics and government--20th century.
Germany--Foreign relations--1871-1918.
Germany--Politics and government--1871-1918.
Russia--Foreign relations--1801-1917.
Russia--Politics and government--1801-1917.