Halsbury's SI citator. 

 - Current edition. 
<br/><br/> Electronic books from the LexisNexis database. 
<br/><br/> "Halsbury's SI Citator lists in alphabetical order the full title of statutory instruments dealt with by Halsbury's Statutory Instruments. Against each title is listed the instrument's serial number (SR & O from 1894, SI from 1948) or the date on which it was madeHalsbury's SI Citator lists in alphabetical order the full title of statutory instruments dealt with by Halsbury's Statutory Instruments. Against each title is listed the instrument's serial number (SR & O from 1894, SI from 1948) or the date on which it was made."--publisher website. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Law--Great Britain.<br/>Statutes--Great Britain.<br/>Delegated legislation--Great Britain.