Columbia subject headings:
Vernacular architecture--Ethiopia--Tigray Kifle Hāger.
Harvard subject headings:
Architecture--Ethiopia--Tigray Kifle Heager.
Cave churches--Ethiopia--Tigray Kifle Heager.
Tigray Kifle Hāger (Ethiopia)--Buildings, structures, etc.
Vernacular architecture--Ethiopia--Tigray Kifle Heager.
Vernacular architecture--Ethiopia--Tigray Kifle Hāger.
Princeton subject headings:
Vernacular architecture--Ethiopia--Tigray Kifle Hāger.