Columbia subject headings:
Historians--Russia (Federation)--Biography.
History--Philosophy.
Karsavin, L. P. (Lev Platonovich), 1882-1952--Philosophy.
Harvard subject headings:
Historians--Russia (Federation)--Biography
History--Philosophy
Karsavin, L. P. (Lev Platonovich), 1882---Philosophy.
Princeton subject headings:
Historians--Russia (Federation)--Biography.
History--Philosophy.
Karsavin, L. P. (Lev Platonovich), b. 1882--Philosophy.