Columbia subject headings:
Icons--Catalogs.
Icons--Germany--Frankfurt am Main--Catalogs.
Ikonenmuseum der Stadt Frankfurt am Main, Stiftung Dr. Schmidt-Voigt--Catalogs.
Harvard subject headings:
Icons--Catalogs.
Icons--Germany--Frankfurt am Main--Catalogs.
Ikonenmuseum der Stadt Frankfurt am Main, Stiftung Dr. Schmidt-Voigt--Catalogs.
Princeton subject headings:
Catalogs.
Icons, Byzantine--Catalogs.
Icons, Greek--Catalogs.
Icons, Russian--Catalogs.
Ikonenmuseum der Stadt Frankfurt am Main, Stiftung Dr. Schmidt-Voigt--Catalogs.