Columbia subject headings:
Frolov, I. T. (Ivan Timofeevich), 1929-1999.
Philosophers--Russia (Federation)--Biography.
Harvard subject headings:
Frolov, I. T. (Ivan Timofeevich), 1929-1999.
Philosophers--Russia (Federation)--Biography
Princeton subject headings:
Frolov, I. T. (Ivan Timofeevich), 1929-1999.
Philosophers--Russia (Federation)--Biography.