| Collection | Total |
|---|
| CRANFIELD | 22 |
| Australiasian Digital Theses Program | 56698 |
| Ball State University | 7153 |
| Bibliothèque interuniversitaire de la Communauté française de Belgique | 271 |
| Boston College | 509 |
| Bradford Scholars | 1417 |
| Brigham Young University Theses | 1947 |
| California Institute of Technology | 1642 |
| California Polytechnic State University | 413 |
| CCSD theses-EN-ligne, France | 23023 |
| Chile Cybertesis | 6458 |
| Claremont Colleges | 51 |
| CRANFIELD1 | 804 |
| Digitale Hochschulschriften der LMU | 3694 |
| Dissertations and other Documents of the Gerhard-Mercator-University Duisburg | 383 |
| DiVA Archive at Upsalla University | 55321 |
| DiVA Archive at Upsalla University | 5473 |
| Duke University | 494 |
| Duquesne University | 1942 |
| East Tennessee State University | 1242 |
| George Washington University Theses | 24 |
| Georgia State University | 2536 |
| Georgia Tech Electronic Thesis and Dissertation Archive | 1637 |
| Hochschulschriftenserver (HSSS) der SLUB Dresden | 5381 |
| Hokkaido University Japan | 330 |
| Hong Kong University Theses | 18172 |
| Humboldt University of Berlin, GERMANY, Document Server | 12058 |
| IBICT Brazilian ETDs | 140216 |
| India Institute of Science | 380 |
| Indiana University of Pennsylvania Thesis | 43 |
| Indiana University-Purdue University Indianapolis | 213 |
| K-State Research Exchange | 4880 |
| Library and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada | 76620 |
| Lithuanian ETD submission system | 6642 |
| Louisiana State University | 2416 |
| M.I.T. Theses and Dissertation | 21755 |
| Middle East Technical Univ. | 1607 |
| Mississippi State University | 655 |
| Montana State University | 1440 |
| Nagoya University | 1255 |
| National Chengchi University Libraries | 4111 |
| National Library of Portugal DiTeD ETD Repository | 1350 |
| North Carolina State University | 1928 |
| North-West University | 1028 |
| North-West University, South Africa | 1091 |
| Northeastern University, Snell Library | 352 |
| NSYSU Electronic Thesis and Dissertation Archive | 6188 |
| OCLC | 1228554 |
| Ohiolink ETDs | 35421 |
| Oregon Health and Science Univ. Library | 71 |
| Oregon State University | 1466 |
| Physnet, Physics Document Server, Germany | 319 |
| Pontificia Universidad Católica del Perú | 971 |
| Potsdam University | 1858 |
| ProQuest.com | 40 |
| Rhodes University SA | 221 |
| Rice University | 4005 |
| Robert Gordon University, Aberdeen, Scotland | 32 |
| Sao Paulo State University, Sao Paulo - Brazil. | 13931 |
| Southern Baptist Theological Seminary | 45 |
| Temple University | 783 |
| Texas A and M University | 1604 |
| Texas Christian University | 216 |
| Theses and Dissertations Online (Catalunya) | 10 |
| UCL | 118 |
| UDLA-Thesis | 114 |
| Univ. of Western Cape | 595 |
| Universidad de Cantabria | 177 |
| Universidad de las Americas, Puebla: Digital Theses | 40 |
| Universidad de Murcia | 457 |
| Universidad de Oviedo | 87 |
| Universidad Mayor de San André(UMSA) | 107 |
| Universidad Nacional de Ingenierí(UNI) | 483 |
| Universidad Nacional de La Plata, Sedici | 13743 |
| Universidad Nacional Mayor de San Marcos - SISBIB PERU | 2114 |
| Universidad Peruana de Ciencias Aplicadas (UPC) | 380 |
| Universidad Ricardo Palma (URP) | 108 |
| Universita Cattolica del Sacro Cuore. DocTA | 324 |
| Universitat Abat Oliba | 11 |
| Universitat Autònoma de Barcelona | 2950 |
| Universitat de Barcelona | 2669 |
| Universitat de Girona | 520 |
| Universitat de les Illes Balears | 104 |
| Universitat de Lleida | 387 |
| Universitat de Rovira i Virgili | 38 |
| Universitat de València | 1038 |
| Universitat de Vic | 7 |
| Universitat Internacional de Catalunya | 39 |
| Universitat Jaume I | 254 |
| Universitat Oberta de Catalunya | 19 |
| Universitat Politècnica de Catalunya | 1404 |
| Universitat Pompeu Fabra | 691 |
| Universitat Ramon Llull | 221 |
| Universitat Rovira i Virgili | 862 |
| Université du Québec à Chicoutimi | 1629 |
| Université Laval | 4869 |
| University of Auckland | 695 |
| University of Bologna, Italy | 1597 |
| University of British Columbia | 1 |
| University of Central Florida | 2597 |
| University of Hawaii at Manoa Libraries | 2607 |
| University of Latvia | 191 |
| University of Macau | 1799 |
| University of Maine | 1422 |
| University of Manitoba Canada | 7 |
| University of Massachusetts, Amherst | 6349 |
| University of Miami | 1009 |
| University of Missiouri at St. Louis ETD Archive | 119 |
| University of Montana Missoula | 395 |
| University of North Carolina-Chapel Hill | 62 |
| University of Pittsburgh | 2041 |
| University of Saskatchewan Library | 2031 |
| University of South Flordia | 220 |
| University of Tennessee Libraries | 479 |
| University of Tennessee Libraries | 2262 |
| University of Texas | 9055 |
| University of Toronto | 2415 |
| University of Waterloo Electronic Theses Repository | 1775 |
| UniZar | 14 |
| Utah State University | 1132 |
| Vanderbilt University Theses | 829 |
| Vidyanidhi Digital Lib. (India) | 5489 |
| Virgina Tech. Theses and Dissertation | 10975 |
| Virginia Tech Individual ETDs | 18 |
| Western Kentucky University Theses | 212 |
| Wichita State University | 853 |
| Wirtschaftsuniversität Wien | 1093 |
| Yale Medical student MD Thesis | 122 |
| Total | 1869236 |
|---|