Columbia subject headings:
Art historians--Germany--Correspondence.
Greece--Antiquities.
Michaelis, Adolf, 1835-1910--Correspondence.
Michaelis, Adolf, 1835-1910--Travel--Greece.
Harvard subject headings:
Excavations (Archaeology)--Greece
Greece--Antiquities.
Greece--Description and travel.
Princeton subject headings:
Art historians--Germany--Correspondence.
Greece--Antiquities.
Michaelis, Adolf, 1835-1910--Correspondence.
Michaelis, Adolf, 1835-1910--Travel--Greece.