BS 5839: fire detection & alarm systems for buildings

BS 5839-1:2017 -Fire detection and fire alarm systems for buildings. Code of practice for design, installation, commissioning and maintenance of systems in non-domestic premises

BS 5839-1:2013 - Code of practice for design, installation, commissioning and maintenance of systems in non-domestic premises

BS 5839-3:1988 - Specification for automatic release mechanisms for certain fire protection equipment

BS 5839-6:2013 - Code of practice for the design, installation, commissioning and maintenance of fire detection and fire alarm systems in domestic premises

BS 5839-8:2013 - Code of practice for the design, installation, commissioning and maintenance of voice alarm systems

BS 5839-9:2011 - Code of practice for the design, installation, commissioning and maintenance of emergency voice communication systems

PD 6531:2010 -  Queries and interpretations on BS 5839 1

Plus the essential guide to BS 5839-8:

BIP 2124:2009 The Design and Installation of Voice Alarm Systems. A Guide to BS 5839-8