Columbia subject headings:
Photographers--France--Biography.
Photographers--Russia--Biography.
Portrait photography.
Shumov, Petr Ivanovich, 1872-1936.
Harvard subject headings:
Photographers--France--Biography
Photographers--Russia--Biography.
Portrait photography.
Shumov, Petr Ivanovich, 1872-1936.
Princeton subject headings:
Photographers--France--Biography.
Photographers--Russia--Biography.
Portrait photography.
Shumov, Petr Ivanovich, 1872-1936.