Columbia subject headings:
Knowledge, Theory of.
Losskiĭ, N. O. (Nikolaĭ Onufrievich), 1870-1965.
Harvard subject headings:
Knowledge, Theory of
Losskiĭ, N. O. (Nikolaĭ Onufrievich), 1870-1965
Princeton subject headings:
Knowledge, Theory of.
Losskiĭ, N. O. (Nikolaĭ Onufrievich), 1870-1965.