UK library catalogues
If you want to find out what is available in another library before you visit you can usually check their catalogue online.
There are also a number of databases that enable you to cross-search numerous library catalogues to identify the location and availability of the material that you need.
Copac (Consortium of Online Public Access Catalogues) gives free access to the online catalogues of many major university, specialist and national libraries in the UK and Ireland, including the British Library.
Search25 provides one-stop access to the library catalogues of nearly 60 institutions and specialist collections within the M25 Consortium of Academic Libraries in London and the South East.
SUNCAT is a free service containing information about the serials held in 90 UK research libraries, including the British Library and the national libraries of Scotland and Wales.
SCONUL Access provides individual links to member library catalogues.
Archives Hub allows you to search the archives and special collections of over 200 UK institutions, which includes many unique, specialised sources of information.