 (UK) University of Oxford - http://eprints.maths.ox.ac.uk/ Mathematical Institute. Searchable index. |
 (Denmark) University of Aarhus - http://www.imf.au.dk/en/research/publications.html Department of Mathematical Sciences. Preprints, working papers, lecture notes, memoirs and theses. |
 (UK) University of Leicester - http://www.mcs.le.ac.uk/publications/Publications.html Mathematics and computer science technical reports from 1995. |
 (USA) IMI South Carolina - http://www.math.sc.edu/~imip/ Industrial Mathematics Institute, University of South Carolina, Columbia, SC. |
 (UK) University of Cambridge - http://www.statslab.cam.ac.uk/Reports/ Statistical Laboratory Research Reports. |
 (UK) University of Bath - http://www.maths.bath.ac.uk/MATHEMATICS/preprints.html Mathematics Group preprints by year from 1993. |
 (USA) Duke University - http://www.math.duke.edu/preprints/ Mathematics Department, Duke University, Durham, NC. |
 (USA) Temple University - http://www.math.temple.edu/research/ Department of Mathematics Research Reports from 1991. |
 (Germany) MPIM Bonn - http://www.mpim-bonn.mpg.de/Research/MPIM+Preprint+Series/ Max Planck Institute for Mathematics. |
 (Denmark) IMADA Odense - http://bib.mathematics.dk/imada/ Department of Mathematics and Computer Science, University of Southern Denmark/Odense University. |
 (UK) University of Southampton - http://eprints.soton.ac.uk/view/subjects/QA.html Mathematics pre-prints. |
 (UK) University of Glasgow - http://www.maths.gla.ac.uk/research/preprints/ Preprint archive from 1995. |
 (Netherlands) CWI Amsterdam - http://www.cwi.nl/cwi/publications_bibl/ Research reports, journals, monographs and proceedings. |
 (USA) University of Kentucky - http://www.ms.uky.edu/~math/MAreport/ Department of Mathematics, Lexington, KY. |
 (USA) DIMACS - http://dimacs.rutgers.edu/TechnicalReports/ Center for Discrete Mathematics and Theoretical Computer Science, Rutgers, New Jersey. |
 (USA) RUTCOR - http://rutcor.rutgers.edu/~rrr/ Research Reports from 1993 in PS or PDF. |
 (UK) University of Bristol - http://www.enm.bris.ac.uk/anm/publications.html Applied Nonlinear Mathematics, Faculty of Engineering. |
 (Canada) CECM - http://oldweb.cecm.sfu.ca/preprints/ Centre for Experimental and Constructive Mathematics preprint service. |
 (Italy) Pisa - http://cvgmt.sns.it/papers/ Calculus of variations and geometric measure theory papers from 1995. |
 (Russia) St. Petersburg Mathematical Society - http://www.mathsoc.spb.ru/preprint/ Preprint collection open to members of the Society. TeX and/or PostScript format. |
 (Germany) Konrad-Zuse Center for Scientific Computation, Berlin - http://www.zib.de/bib/pub/pw/ Preprints and technical reports from 1986, indexed by year. |
 (Italy) ICTP - http://publications.ictp.it/ Preprints issued at the Abdus Salam International Centre for Theoretical Physics, Trieste, Italy. Searchable. |
 (Italy) INFN Rome - http://ipparco.roma1.infn.it/ Mathematical Physics, Roma La Sapienza, Rome. |
 (France) INRIA - http://www.inria.fr/rrrt/index.en.html National institute for research in computer science and control. Research reports, technical reports, theses. |
 (USA) IMA - http://ima.umn.edu/preprints/new.preprintlist.html Institute for Mathematics and its Applications, Minneapolis, MN. |
 (USA) Florida State University - http://www.math.fsu.edu/~aluffi/eprint.archive.html Math Department, Florida State University, Tallahassee, FL. |
 (USA) Louisiana State University - http://www.math.lsu.edu/~preprint/ Math Department, Baton Rouge, LA. |
 (USA) Oklahoma State University - http://www.math.okstate.edu/preprint/ Math Department, Stillwater, OK; ArXiv overlay. |
 (USA) American Institute of Mathematics - http://www.aimath.org/preprints.html Mainly in number theory. From 1998, PS and PDF. |
 (USA) UC Santa Barbara - http://www.math.ucsb.edu/~drm/preprintseries/ Math Department, University of California, Santa Barbara, CA. |
 (USA) UIUC - http://www.math.uiuc.edu/Publications/ Department of Mathematics, University of Illinois, Urbana-Champaign, IL. Faculty publications in HTML/PDF. |
 (USA) Geometry Center, UIUC - http://www.geom.uiuc.edu/docs/ Research papers, conference proceedings, expository and educational articles. |
 (Canada) CRM Montreal - http://crm.umontreal.ca/pub/pub_an.html Technical reports of the Centre de Recherches Mathématiques, Montreal, Canada. |
 (USA) UT Austin - http://www.ma.utexas.edu/preprints.html Math Department, University of Texas, Austin, TX. |
 (Germany) TU Berlin - http://www-sfb288.math.tu-berlin.de/Publications/Preprints.html Sfb 288: Differential Geometry and Quantum Physics. |
 (Germany) KANT Group - http://www.math.tu-berlin.de/~kant/publications.html Technical University of Berlin. |
 (Germany) Muenster - http://wwwmath.uni-muenster.de/sfb/about/publ/ SFB 478: Geometrische Strukturen in der Mathematik. German/English. |
 (Germany) University of Ulm - http://www.mathematik.uni-ulm.de/stochastik/fundl/paper/paperliste.eng.html Faculty of Mathematics and Economics, Department of Stochastics. Publications from 1995. |
 (USA) UC Davis - http://www.math.ucdavis.edu/research/preprints Math Department, University of California, Davis, CA; ArXiv overlay. |
 (Germany) Kiel University - http://www.numerik.uni-kiel.de/reports/ Mathematics Seminar Reports. |
 (Germany) Universität Halle-Wittenberg - http://www.mathematik.uni-halle.de/reports/ Department of Mathematics and Computer Science, Martin-Luther-Universität Halle-Wittenberg. |
 (Germany) Albert-Ludwigs-Universität Freiburg - http://www.math.uni-freiburg.de/forschung/preprints.en.html Mathematics Faculty preprints from 1995. |
 (Germany) University of Rostock - http://www.math.uni-rostock.de/math/pub/preprints/index_en.html Preprints from 1993 to the present. |
 (Hungary) Alfréd Rényi Institute, Budapest - http://www.renyi.hu/konyvtar/preprints.html Preprints by author. |
 (Norway) NTNU Trondheim - http://www.math.ntnu.no/preprint/ Preprint Series, Department of Mathematical Sciences, Norwegian University of Science and Technology, Trondheim. |
 (Czech Republic) KMA - http://www.karlin.mff.cuni.cz/~rokyta/preprint/ Department of Mathematical Analysis, Charles University. |
 (Belgium) University of Louvain - http://www.math.ucl.ac.be/MAPA/Publications.html Searchable preprint archive. |
 (Belgium) Limburgs Universitair Centrum - http://alpha.uhasselt.be/Research/Algebra/Publications/Publications.html Algebra group preprint archive. |
 (Turkey) Middle East Technical University - http://www.math.metu.edu.tr/academic/preprints.shtml Department of Mathematics preprint archive. |
 (Germany) University of Bielefeld - http://www.mathematik.uni-bielefeld.de/sfb343/ Diskrete Strukturen in der Mathematik preprints from 1989. Compressed PostScript. |
 (USA) IMS Stony Brook - http://www.math.sunysb.edu/preprints/ Institute for Mathematical Sciences Preprint Server, SUNY Stony Brook, NY. ArXiv mirrored. |
 (Germany) Magdeburg University - http://www.math.uni-magdeburg.de/Forschung/index/index_preprints.html Faculty of Mathematics preprints and technical reports by year from 1994, searchable. |
 German Mathematics Departments Serving Preprints - http://www.mathematik.uni-osnabrueck.de/imagemaps/preprints/ A sensitive map. |
 D-MathNet.Preprints - http://www.mathematik.uni-osnabrueck.de/harvest/brokers/MathN/ Searchable index to mathematics preprints in Germany. |
 (Japan) Kyoto University Department of Mathematics - http://www.math.kyoto-u.ac.jp/preprint/index_e.html Searchable preprint collection from 1993. |
 (Austria) ESI - http://www.esi.ac.at/ESI-Preprints.html Erwin Schrodinger Institute, Vienna, Austria. |
 (Germany) Humboldt Universität, Berlin - http://www.mathematik.hu-berlin.de/publ/publ01.html Mathematics Institutes, Humboldt University, Berlin, Germany. |
 (Vietnam) Hanoi Institute of Mathematics - http://www.math.ac.vn/library/download/e-print/eprint.htm E-preprints archive for year 1998. Abstracts, text in PostScript. |
 (UK) Isaac Newton Institute, Cambridge - http://www.newton.ac.uk/inibooks.html Books arising from Institute Programmes. |
 (UK) Isaac Newton Institute, Cambridge - http://www.newton.ac.uk/preprints.html Mathematical Sciences preprints. |
 (USA) GANG Document Library - http://www.gang.umass.edu/preprint/preprint.html Center for Geometry, Analysis, Numerics and Graphics. Organised by date, author. |