Columbia subject headings:
Dissertations, Academic--Great Britain--Bibliography.
Dissertations, Academic--Ireland--Bibliography.
Emigration and immigration--Bibliography.
Minorities--Bibliography.
Race relations--Bibliography.
Harvard subject headings:
Dissertations, Academic--Great Britain--Bibliography.
Dissertations, Academic--Ireland--Bibliography.
Emigration and immigration--Bibliography
Minorities--Bibliography.
Race relations--Bibliography.
Princeton subject headings:
Dissertations, Academic--Great Britain--Bibliography.
Dissertations, Academic--Ireland--Bibliography.
Emigration and immigration--Bibliography.
Minorities--Bibliography.
Race relations--Bibliography.