United States of America

rankingWorld Ranksort descendingInstitutoSizeVisibilityFiles Richscholar
1
1
Arxiv.org e-Print Archive
7
1
1
4
2
2
(1) Smithsonian/NASA Astrophysics Data System
2
2
2
2
3
3
CiteSeerX
6
5
3
3
4
6
NASA Technical Reports Server
138
11
5
6
5
8
University of California eScholarship Repository
313
7
7
14
6
10
MIT Institutional Repository
118
8
9
41
7
11
University of Nebraska Lincoln DigitalCommons
440
13
8
22
8
14
University of Michigan Deep Blue
148
16
11
94
9
18
Agecon Search Research in Agricultural and Applied Economics
182
17
62
43
10
22
Virginia Tech University Digital Library and Archives
693
10
17
367
11
24
University of North Texas Digital Library
31
30
23
116
12
29
Purdue University DigitalCommons
670
33
26
38
13
30
University of Illinois at Urbana Champaign Ideals
39
51
37
34
14
33
University of Pennsylvania ScholarlyCommons
819
28
29
91
15
36
Cryptology ePrint Archive
1077
14
13
624
16
39
Oregon State University [email protected]
452
42
59
67
17
48
University of Minnesota Digital Conservancy
187
40
95
140
18
48
Ohio State University Knowledge Bank
205
71
49
51
19
52
bioRxiv
832
24
14
530
20
55
Tufts University Perseus Digital Library
10
4
6
1925
21
57
Georgia Tech's Institutional Repository
24
68
72
123
22
62
Harvard University Digital Access to Scholarship
542
31
50
368
23
63
National Agricultural Library Digital Repository
110
66
128
121
24
69
University of Arizona Campus Repository
634
92
109
42
25
72
CalTech Authors
178
57
61
299
26
75
University of Iowa Research Online
750
105
46
109
27
77
University of South Florida Tampa Scholar Commons
821
64
56
165
28
79
Archive of European Integration
291
77
167
134
29
81
Cal Poly DigitalCommons
817
103
93
98
30
82
University of Massachusetts Amherst Scholarworks
880
84
86
111
31
83
Digital Repository Iowa State University
487
192
118
23
32
85
Utah State University Digital Commons
708
128
80
97
33
88
University of Maryland Digital Repository DRUM
227
144
79
137
34
88
University of Hawai'i at Manoa ScholarSpace
321
106
70
223
35
90
Texas ScholarWorks University of Texas at Austin
130
145
81
171
36
94
Indiana University Scholarworks
226
73
73
380
37
98
University of Kansas Scholarworks
412
147
82
172
38
100
University of Florida Digital Collections
201
12
21
1682
39
104
University of Oregon Scholars' Bank
94
135
166
313
40
105
University of Tennessee Knoxville Research and Creative Exchange TRACE
809
158
122
125
41
114
Rice University Scholarship
47
226
127
178
42
116
AMNH Scientific Publications
255
62
78
750
43
119
Columbia University Academic Commons
219
146
159
345
44
122
Cornell University eCommons
204
218
181
155
45
123
University of Washington Researchworks
304
162
106
342
46
134
Philosophy of Science Archive
1049
59
53
770
47
146
Carnegie Mellon University Research Showcase
978
164
113
326
48
147
Kansas State University Research Exchange
84
211
286
311
49
150
Duke University DukeSpace
472
172
185
350
50
150
University of Arizona Institutional Repository
765
177
112
311
51
152
University of Rochester Research Institutional Repository
9
234
147
469
52
160
Digital Library of the Commons
753
175
123
372
53
162
University of Missouri Repository Mospace
210
303
143
167
54
165
University of Pittsburgh d-Scholarship
483
210
132
336
55
165
Southern Illinois University Carbondale Repository OpenSIUC
1042
209
137
209
56
176
Yale Law School Legal Scholarship Repository Yale Law School Research
1325
110
116
617
57
182
Western Kentucky University DigitalCommons
948
300
170
126
58
184
Institutional Archive of the United States Naval Postgraduate School Calhoun
443
362
313
78
59
198
William & Mary Law School Scholarship Repository
1191
133
134
704
60
200
University of Kentucky Uknowledge
962
271
163
221
61
202
VTechWorks
92
484
321
68
62
208
University of Wisconsin Digital Repository
360
246
241
385
63
210
Grand Valley State University ScholarWorks
1394
242
125
252
64
214
Pennsylvania State University Electronic Theses and Dissertation Archive
28
409
398
189
65
224
Liberty University DigitalCommons
1368
207
176
411
66
232
Policy Archive
936
153
189
794
67
234
San Jose State University ScholarWorks
962
311
135
295
68
236
University of Connecticut DigitalCommons
1388
283
183
247
69
238
Western Michigan University ScholarWorks
1037
337
233
197
70
242
Wayne State University DigitalCommons
1134
263
126
409
71
243
North Carolina State University Digital Repository
475
334
184
352
72
245
Claremont Colleges Scholarship
1297
254
119
391
73
248
Open Access Institutional Repository of Georgia State University
1255
293
138
328
74
249
OAK Trust Texas A&M University Repository
102
559
496
50
75
255
FLASH The Fordham Law Archive of Scholarship and History
1157
79
164
1152
76
257
Pacific University CommonKnowledge
1337
286
199
317
77
258
University of Nevada Las Vegas Repository
1146
299
283
290
78
261
Marquette University e-Publications
1081
304
299
291
79
264
CalTech Electronic Theses and Dissertations
676
291
341
382
80
269
Florida State University DigiNole Commons Repository
712
295
151
506
81
271
Wichita State University Shocker Open Access Repository
12
372
423
559
82
275
Aquatic Commons
893
343
500
212
83
282
Syracuse University Research Facility and Collaborative Environment SURFACE
1161
383
172
232
84
286
CalTech Engineering and Science Online
1449
222
207
629
85
288
Indiana University Purdue University Indianapolis Digital Archive
162
431
293
373
86
298
Digital Commons at Loyola Marymount University and Loyola Law School Research
1376
180
154
902
87
299
Thomas Jefferson University Digital Commons
1189
281
389
423
88
303
University of Rhode Island DigitalCommons
1213
335
272
353
89
304
Johns Hopkins University Repository JScholarship
542
243
105
916
90
309
Pace University DigitalCommons
1495
196
182
831
91
320
Rutgers Community Repository Rutgers University
535
496
193
282
92
324
University of New México Institutional Repository
158
410
345
550
93
327
University of Texas at El Paso DigitalCommons
1251
330
376
427
94
328
Ball State University Institutional Repository Cardinal Scholar
455
540
557
122
95
343
Digital Commons American University Washington College of Law Research
1449
217
268
835
96
347
NSU Works Nova Southeastern University Institutional Repository
1045
430
368
304
97
352
Butler University Digital Commons
1209
483
393
196
98
353
Texas State University Digital Collections
387
348
344
765
99
356
Digital Commons Georgia Southern University
1150
461
414
272
100
359
Virginia Henderson Global Nursing e-Repository
983
565
527
113

Pages