Columbia subject headings:
Harvard subject headings:
Mineralogists--Russia--Biography.
Mineralogists--Soviet Union--Biography.
Vernadskiĭ, V. I. (Vladimir Ivanovich), 1863-1945.
Princeton subject headings:
Mineralogist--Soviet Union--Biography.
Vernadskiĭ, V. I. (Vladimir Ivanovich), 1863-1945.