Columbia subject headings:
Harvard subject headings:
Eugenics--Germany--History--19th century--Congresses.
Eugenics--Russia--History--19th century--Congresses.
Germany--Relations--Russia--Congresses.
Hygiene--Germany--History--19th century--Congresses.
Hygiene--Russia--History--19th century--Congresses.
Koch, Robert, 1843-1910--Congresses.
Koch, Róbert
Public health--Germany--History--19th century--Congresses.
Public health--Russia--History--19th century--Congresses.
Russia--Relations--Germany--Congresses.
Princeton subject headings:
Germany--Relations--Russia--Congresses.
Hygiene--Germany--History--19th century--Congresses.
Hygiene--Russia--History--19th century--Congresses.
Hygiene--Social aspects--Germany--Congresses.
Hygiene--Social aspects--Russia--Congresses.
Koch, Robert, 1843-1910--Congresses.
Pettenkofer, Max von, 1818-1901--Congresses.
Public health--Germany--History--19th century--Congresses.
Public health--Russia--History--19th century--Congresses.
Russia--Relations--Germany--Congresses.
Shepilevskiĭ, Evgeniĭ Alekseevich--Congresses.