Columbia subject headings:
Co-operative Union Ltd.--Periodicals.
Cooperation--Great Britain--Congresses.
Labor unions--Great Britain--Congresses.
Harvard subject headings:
Co-operative Union Ltd.--Periodicals.
Cooperation--Great Britain--Congresses.
Labor unions--Great Britain--Congresses.
Princeton subject headings:
Co-operative Union Ltd.--Periodicals.
Cooperation--Great Britain--Congresses.
Labor unions--Great Britain--Congresses.