Columbia subject headings:
Asia, Central--Historiography.
Geographers--Soviet Union--Biography.
Gumilev, L. N. (Lev Nikolaevich), 1912-1992--Criticism and interpretation.
Gumilev, L. N. (Lev Nikolaevich), 1912-1992.
Harvard subject headings:
Asia, Central--Historiography--20th century.
Geographers--Soviet Union--Biography
Gumilev, L. N. (Lev Nikolaevich), 1912-1992--Criticism and interpretation.
Gumilev, L. N. (Lev Nikolaevich), 1912-1992.
Princeton subject headings:
Asia, Central--Historiography--20th century.
Geographers--Soviet Union--Biography.
Gumilev, L. N. (Lev Nikolaevich), 1912-1992--Criticism and interpretation.
Gumilev, L. N. (Lev Nikolaevich), 1912-1992.