Publisher
- North South Ministerial Council14
- SAGE Publications Ltd13
- Apress11
- Equality Commission for Northern Ireland10
- Emerald Publishing9
- Northern Ireland Audit Office9
- SAGE9
- Palgrave7
- Springer International Publishing7
- [Northern Ireland Office]7
- Department for Communities6
- Department for Digital, Culture, Media & Sport6
- Home Office6
- Sage Publications6
- Springer International Publishing Imprint: Springer6
- Springer Vieweg6
- CDS5
- Dandy Booksellers Ltd5
- Department for Communities and Local Government5
- Department for the Economy5