DART-Europe E-theses Portal: http://www.dart-europe.org/basic-search.php
Access to the full-text of a large and growing number of theses from 210 universities in 16 European countries.
DiVA: http://www.diva-portal.org/smash/search.jsf
DiVA portal is a finding tool and an institutional repository for theses written at Swedish universities and colleges
EThOS - http://ethos.bl.uk
EThOS is a British Library online service which allows you to download UK theses, normally free of charge. If you are asked to pay, please contact your Subject Librarian
Index to Theses - http://www.theses.com/
This is a comprehensive listing of theses from British and Irish universities from 1716 to the present. It has links to the theses that are freely available for download from EThOS and also to theses in 40 UK and Irish university repositories.
NARCIS National Academic Research and Collaborations Information System http://www.narcis.nl/?Language=en
NARCIS is the gateway to theses from universities in the Netherlands
Networked Digital Library of Theses and Dissertations http://www.ndltd.org/
The NDLTD Union Catalog contains more than one million records of electronic theses and dissertations. For students and researchers, the Union Catalog makes individual collections of NDLTD member institutions and consortia appear as one seamless digital library of ETDs.
PQDT Open: http://pqdtopen.proquest.com/search.html
With PQDT Open, you can read the full text of US open-access dissertations and theses free of charge.
The South African national E theses portal http://www.netd.ac.za/
Theses Canada Portal: www.collectionscanada.gc.ca
Theses Canada provides access to 300,000 Canadian theses, 50,000 of which are available for download free of charge.
Trove: http://trove.nla.gov.au/
The National Library of Australia's database of online resources has links to full-text theses. Search for for your topic, then limit the format of your results to Thesis.
Further resources: http://libguides.qub.ac.uk/theses
Follow this link to the LibGuides theses page