Columbia subject headings:
Harvard subject headings:
Meteorologists--Soviet Union--Biography.
Meteorology--Soviet Union--History--19th century.
Vilʹd, G. I. (Genrikh Ivanovich), 1833-1902.
Princeton subject headings:
Meteorologists--Switzerland--Biography.
Meteorology--Study and teaching--Soviet Union--History.
Swiss--Soviet Union--Biography.
Wild, Heinrich, 1833-1902.