Columbia subject headings:
Harvard subject headings:
Astronomical photography--Germany--History.
Astronomical photography--Germany.
Chemists--Germany--Biography
Miethe, Adolf, 1862-1927.
Photographers--Germany--Biography
Photographic chemistry.
Princeton subject headings:
Astronomical photography--Germany--History.
Chemists--Germany--Biography.
Miethe, Adolf, 1862-1927.
Photographers--Germany--Biography.