Columbia subject headings:
Tribes--Iraq--Genealogy--Encyclopedias.
Tribes--Iraq--History--Encyclopedias.
Harvard subject headings:
Arabs--Iraq--Genealogy.
Bedouins--Iraq--Genealogy.
Iraq--Dictionaries and encyclopedias.
Iraq--Genealogy.
Tribes--Iraq.
Princeton subject headings:
Arabs--Iraq--Genealogy--Encyclopedias.
Bedouins--Iraq--Genealogy--Encyclopedias.
Encyclopedias.
Iraq--Encyclopedias.
Iraq--Genealogy--Encyclopedias.
Tribes--Iraq--Encyclopedias.