Search tools

Amazon (UK) [Useful for identifying titles, and viewing table of contents and index, as well as buying]

BFI Collections Search [British Film Institute search]

COPAC [union catalogue of UK research libraries.  See guide.]

CORE - an aggregated search of UK repositories (it's like Google Scholar for UK research repositories). Further information.

DART-Europe - research theses from a consortium of European research libraries

DOAB - Directory of Open Access Books 

EThOS [Electronic Theses Online Service from the British Library.  Selected items available for download after registration]

Google Books [for searching the contents of books]

Google Scholar [a broad search of mainly academic sources]

Library Search 

Library Catalogue (retro catalogue)

OAIster [Union catalogue of open access resources, provided by OCLC/Worldcat]  Further information

OAPEN (Open Access Publishing in European Networks) is a collaborative initiative to develop and implement a sustainable Open Access publication model for academic books in the Humanities and Social Sciences.

OpenDepot Search | Search of e-prints from researchers at institutions that do not have an institutional repository

OpenDOAR Search | Search contents of open access repositories listed on OpenDOAR [Directory of Open Access Repositories] 

PQDT Open [Provides the full text of open access dissertations and theses free of charge]

ROAR Search | Search contents of repositories listed on ROAR [Registery of Open Access Repositories]

Search25 [union catalogue of London-area university libraries - replaces Inform25]

SHERPA Search | Search of UK repositories

SUNCAT [union catalogue for serials - use to track down journals and magazines]

WorldCat [International union catalogue of library catalogues]