Europe

Institute of Geological Sciences - University of Berne department features a directory and archive of theses.
http://www.earthsci.unibe.ch/

University of Aberdeen, UK - Department of Geology and Petroleum Geology
http://www.abdn.ac.uk/geology/

University of Cambridge, UK - Department of Earth Sciences
http://www.esc.cam.ac.uk/

Edinburgh University, UK - Department of Geology and Geophysics
http://www.geos.ed.ac.uk/

University of Glasgow, UK - Division of Earth Sciences
http://www.earthsci.gla.ac.uk/

University of Wales - Aberysthwyth - Institute of Geography and Earth Science
http://www.aber.ac.uk/iges/

CLMC - The Central Laboratory of Mineralogy and Crystallography, a department of the Bulgarian Academy of Sciences.
http://www.clmc.bas.bg/

University of Oxford, UK - Department of Earth Sciences
http://www.earth.ox.ac.uk/

The Open University, UK - Department of Earth Sciences, The Open University, Milton Keynes, UK.
http://www.open.ac.uk/science/earthsciences/

Trinity College, Dublin, Ireland - Department of Geology
http://www.tcd.ie/Geology/

Department of Hydrogeology and Environment, University of Würzburg - Information on research, faculty and associated people, general contact information and class descriptions for the Department of Hydrogeology and Environment at the Institute for Geology.
http://wwwalt.uni-wuerzburg.de/hydrogeologie/index_e.html

University of Birmingham, UK - Department of Earth Sciences.
http://www.gees.bham.ac.uk/

University of Bristol - Department of Earth Sciences.
http://www.gly.bris.ac.uk/

University College, Dublin, Ireland - Department of Geology
http://www.ucd.ie/geology/