European Union

ranking	World Rank	Instituto	Country	Size	Visibility	Files Rich	scholar
1	5	UK PubMed Central		1	13	5	3
2	10	HAL Institut National de Recherche en Informatique et en Automatique Archive Ouverte		79	22	10	25
3	11	HAL Sciences de l'Homme et de la Société		72	16	56	24
4	14	Universiteit Utrecht Igitur Archive		349	28	14	9
5	16	(1) Universitat Autònoma de Barcelona Dipòsit Digital de Documents		78	32	8	16
6	17	Universitat Politécnica de Catalunya UPCommons		65	41	21	10
7	18	Munich Personal Repec Archive		360	27	29	20
8	19	University of Southampton Institutional Repository		174	19	76	72
9	22	Digital CSIC		47	35	46	53
10	30	Universidade do Minho Repositorium		33	71	110	43
11	34	Goteborg University Open Archive		443	51	81	39
12	37	Dissertations of the University of Groningen		419	48	36	79
13	39	Aalborg Universitet VBN Research		10	42	214	162
14	40	Organic ePrints		403	33	193	100
15	42	Universidad Complutense de Madrid e-Prints		209	38	151	130
16	43	Leiden University Digital Repository		164	46	48	148
17	44	Humboldt Universitat zu Berlin Publikationsserver		324	30	113	185
18	46	Universidad de Alicante Repositorio Institucional		109	50	108	147
19	47	Universitat Heidelberg Dokumentenserver		255	37	134	170
20	48	Katholieke Universiteit Leuven Lirias Repository		42	126	107	36
21	51	Université de Liège Open Repository and Bibliography ORBi		28	108	200	51
22	52	EconStor		60	117	15	93
23	54	Universität Wien Diplomarbeiten und Dissertationen		806	97	124	18
24	56	University of Helsinki HELDA		317	79	106	69
25	58	Ludwig Maximilians Universitat Munchen Dissertationen		200	57	155	119
26	59	Elektronische Hochschulschriften Universität Stuttgart		561	39	220	145
27	63	Erasmus University Repository		179	124	92	73
28	66	LSE Research Online London School of Economics and Political Science		403	72	255	116
29	68	Georg August Universität Gottingen Dokumentenserver		649	44	80	245
30	69	Universidad Politécnica de Madrid Archivo Digital		266	114	184	76
31	74	University of Ghent Institutional Archive		18	272	164	29
32	77	Open Research Online		95	93	357	135
33	80	Jyväskylä University Digital Archive		339	101	125	130
34	81	UCL Discovery University College London		142	118	279	105
35	83	PhilPapers		17	23	747	666
36	89	Cogprints Cognitive Sciences ePrint Archive		419	24	507	593
37	89	Universitat München Elektronischen Publikationen		287	47	161	470
38	91	Gredos Repositorio Documental Universidad de Salamanca		167	222	204	74
39	93	Freiburger Dokumentenserver Universitätsbibliothek Freiburg		700	68	210	261
40	95	Delft University of Technology Repository		339	152	67	162
41	97	Natural Environmental Research Council Open Research Archive		117	122	290	216
42	98	University of Twente Repository		353	160	55	178
43	99	Chalmers Publication Library		437	183	298	70
44	100	Universiteit van Amsterdam Digital Academic Repository		207	55	1340	46
45	103	Tartu University Library Institutional Repository		319	103	145	287
46	105	Universidad Carlos III de Madrid e-Archivo		172	180	120	174
47	106	Electronic Publication Alfred Wegener Institute for Polar and Marine Research		254	119	226	227
48	108	Swedish University of Agricultural Sciences Epsilon Open Archive		375	230	213	79
49	109	Horizon Publications scientifiques Institut de recherche pour le développement		612	83	26	447
50	112	Universitat Duisburg Essen Publications Online DuEPublico		210	161	88	247
51	114	Repositorio Institucional Universidad Politécnica de Valencia RiuNet		75	393	131	49
52	117	DIGITUM Depósito Digital Institucional Universidad de Murcia		122	113	304	339
53	119	Repositório Aberto Universidade do Porto		49	255	65	211
54	122	Luleå Tekniska Universitet PURE		23	271	281	152
55	126	Social Science Open Access Repository SSOAR		57	115	147	493
56	129	Technical University of Denmark Online Research Database in Technology		76	186	297	255
57	131	PEDOCS Fachlicher Dokumentenserver Paedagogik / Erziehungswissenschaften		666	62	401	427
58	133	Hochschulschriftenserver Universität Frankfurt am Main		389	162	83	305
59	134	Università di Pisa Electronic Theses		635	423	58	30
60	139	(1) University of Debrecen Electronic Archive		55	383	93	123
61	142	Biblioteca Digital Faculdade de Letras Universidade do Porto		1003	91	221	322
62	143	Institutional Repository der Universität Konstanz		328	318	149	101
63	145	Justus Liebig Universitat Giessen Elektronische Bibliothek		961	100	209	322
64	150	Malmo University Electronic Publishing		409	240	179	160
65	152	Warwick Research Archives Project Repository		234	242	218	187
66	154	BADA University College of Boras Academic Digital Archive		337	290	225	121
67	157	Paris Institute of Technology Pastel Theses		437	81	520	437
68	159	DROPS Dagstuhl Research Online Publication Server Schloss Dagstuhl Leibniz-Zentrum für Informatik		996	92	478	296
69	160	Czech Digital Mathematics Library		40	284	53	330
70	161	Repositório Universidade de Lisboa		300	362	169	94
71	163	Linköping University Electronic Press		990	85	444	336
72	164	DADUN Depósito Académico Digital Universidad de Navarra		110	179	109	441
73	165	Biblioteka Cyfrowa Politechniki Krakowskiej / Digital Library of Cracow University of Technology		459	127	463	308
74	168	Trinity College University of Dublin Research Archive		177	286	98	238
75	175	Cadmus European University Institute Institutional Repository		661	173	450	201
76	176	Cambridge University Institutional Repository		730	125	168	419
77	177	University of Glasgow Published and peer-reviewed papers		242	175	399	322
78	181	Repository Univerzity Tomáše Bati ve Zlíně Theses		34	835	42	17
79	186	Universitatsbibliothek Marburg Archivserver		937	181	332	203
80	190	Research in Atmosphere, Cryosphere, Hydrosphere and Solid Earth Fields		573	153	453	314
81	192	Uppsala University DiVA		129	128	1456	33
82	193	University College London Institutional Repository		622	120	422	422
83	199	Universidad Nacional de Educación a Distancia E-Spacio		309	75	504	678
84	202	Universitat de Barcelona Diposit Digital		302	262	230	295
85	204	Estudo Geral Repositório Digital da Universidade de Coimbra		219	376	197	182
86	205	Università degli Studi di Milano Institutional Archive of Research		347	600	381	20
87	207	University of Oulu Electronic Publications		1037	73	514	535
88	210	Università degli Studi di Padova Thesis		247	456	283	97
89	211	Tampere University Master and Licentiate Thesis		990	257	202	195
90	214	University of Huddersfield Repository		256	347	320	204
91	214	Universitat Regensburg Publikationsserver		496	269	237	289
92	216	Tampere University of Technology Dpub		228	511	602	47
93	217	Université de Toulouse Archive Ouverte OATAO		257	219	266	442
94	218	Linkoping University DiVA		237	147	1456	38
95	220	Loughborough University Institutional Repository		202	338	254	293
96	221	ARCHIMER Ifremer's Institutional Repository		883	206	174	386
97	223	University of Leicester Research Archive		437	235	479	322
98	226	TOBIAS-lib Publication Server University of Tübingen		881	154	276	463
99	227	OPUS Online Publications Store University of Bath		133	297	481	322
100	232	Università di Trieste Openstarts		217	332	328	311

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