Columbia subject headings:
Groth, Klaus, 1819-1899--Bibliography--Catalogs.
Groth, Klaus, 1819-1899--Library--Catalogs.
Klaus-Groth-Museum (Heide, Germany)--Library--Catalogs.
Private libraries--Germany--Catalogs.
Harvard subject headings:
Groth, Klaus, 1819-1899--Bibliography--Catalogs.
Groth, Klaus, 1819-1899--Library--Catalogs.
Klaus-Groth-Museum (Heide, Germany)--Library--Catalogs.
Princeton subject headings:
Groth, Klaus, 1819-1899--Bibliography--Catalogs.
Groth, Klaus, 1819-1899--Library--Catalogs.
Klaus-Groth-Museum (Heide, Schleswig-Holstein, Germany)--Catalogs.
Low German literature--Bibliography--Catalogs.