Black's Law Dictionary, Sixth
Edition, p. 1025
That quality or character which arises from the fact of a person's belonging
to a nation or state. Nationality determines the political status
of the individual, especially with reference to allegiance; while domicile
determines his civil status. Nationality arises either by birth or
by naturalization. See also Naturalization."
[Black's Law Dictionary,
Sixth Edition, p. 1025]
Government Style Manual, Chapter 5
5.22. The table beginning on page 233 shows forms to be used for
nouns and adjectives denoting nationality.
5.23. In designating the natives of the several States, the following
forms will be used.
I believe this is a missing key ingredient in the various forms.
[and cite G.P.O. Style Manual 5.22 and 5.23]
Government Style Manual, Chapter 5]