| 1 |  goodreads.com | Science and Education > Libraries and Museums | = | 00:04:40 | 4.99 | 46.58% |
| 2 |  annas-archive.gl | Science and Education > Libraries and Museums | = | 00:07:42 | 10.61 | 20.35% |
| 3 |  oceanofpdf.com | Science and Education > Libraries and Museums | 1 | 00:04:34 | 11.72 | 16.46% |
| 4 |  exlibrisgroup.com | Science and Education > Libraries and Museums | = | 00:07:19 | 6.18 | 31.36% |
| 5 |  bibliocommons.com | Science and Education > Libraries and Museums | 2 | 00:03:47 | 5.34 | 28.26% |
| 6 |  oclc.org | Science and Education > Libraries and Museums | = | 00:07:26 | 8.21 | 27.43% |
| 7 |  mybib.com | Science and Education > Libraries and Museums | 3 | 00:01:37 | 2.10 | 52.48% |
| 8 |  wbsg8v.xyz | Science and Education > Libraries and Museums | 3 | 00:03:46 | 2.30 | 54.51% |
| 9 |  si.edu | Science and Education > Libraries and Museums | 2 | 00:02:11 | 3.55 | 52.81% |
| 10 |  openlibrary.org | Science and Education > Libraries and Museums | 2 | 00:01:34 | 3.12 | 38.81% |
| 11 |  z-lib.sk | Science and Education > Libraries and Museums | 2 | 00:06:13 | 8.81 | 31.54% |
| 12 |  babelio.com | Science and Education > Libraries and Museums | 1 | 00:04:07 | 4.15 | 48.37% |
| 13 |  metmuseum.org | Science and Education > Libraries and Museums | 1 | 00:02:44 | 3.82 | 49.83% |
| 14 |  shadowlibraries.github.io | Science and Education > Libraries and Museums | 2 | 00:01:04 | 1.75 | 65.56% |
| 15 |  plos.org | Science and Education > Libraries and Museums | 1 | 00:01:42 | 1.73 | 61.3% |
| 16 |  libkey.io | Science and Education > Libraries and Museums | 3 | 00:04:28 | 3.69 | 15.39% |
| 17 |  contentreserve.com | Science and Education > Libraries and Museums | 4 | 00:00:57 | 1.59 | 59.98% |
| 18 |  libgen.com.de | Science and Education > Libraries and Museums | = | 00:02:29 | 4.13 | 31.48% |
| 19 |  d1wqtxts1xzle7.cloudfront.net | Science and Education > Libraries and Museums | 2 | 00:01:39 | 1.73 | 66.45% |
| 20 |  bookey.app | Science and Education > Libraries and Museums | 5 | 00:01:22 | 1.76 | 66.12% |
| 21 |  ndl.go.jp | Science and Education > Libraries and Museums | 6 | 00:05:37 | 8.18 | 48.74% |
| 22 |  citationmachine.net | Science and Education > Libraries and Museums | 20 | 00:05:06 | 7.95 | 20.2% |
| 23 |  znanierussia.ru | Science and Education > Libraries and Museums | 1 | 00:01:21 | 3.35 | 33.82% |
| 24 |  moma.org | Science and Education > Libraries and Museums | 6 | 00:02:02 | 3.41 | 52.04% |
| 25 |  bnf.fr | Science and Education > Libraries and Museums | 5 | 00:05:44 | 8.85 | 41.92% |
| 26 |  britishmuseum.org | Science and Education > Libraries and Museums | 7 | 00:02:08 | 3.87 | 50.69% |
| 27 |  911memorial.org | Science and Education > Libraries and Museums | 87 | 00:02:45 | 3.53 | 59.25% |
| 28 |  gale.com | Science and Education > Libraries and Museums | 24 | 00:03:31 | 3.68 | 47.33% |
| 29 |  nypl.org | Science and Education > Libraries and Museums | 5 | 00:02:34 | 4.56 | 48.5% |
| 30 |  thecollector.com | Science and Education > Libraries and Museums | 4 | 00:01:43 | 1.98 | 63.66% |
| 31 |  themarginalian.org | Science and Education > Libraries and Museums | 3 | 00:02:19 | 2.23 | 63.16% |
| 32 |  senecapolytechnic.ca | Science and Education > Libraries and Museums | 1 | 00:09:59 | 13.27 | 20.97% |
| 33 |  lib.ru | Science and Education > Libraries and Museums | 5 | 00:01:24 | 1.78 | 53.27% |
| 34 |  medialibrary.it | Science and Education > Libraries and Museums | 11 | 00:06:16 | 8.65 | 15.74% |
| 35 |  ushmm.org | Science and Education > Libraries and Museums | 2 | 00:01:38 | 2.44 | 61.87% |
| 36 |  serialssolutions.com | Science and Education > Libraries and Museums | 23 | 00:04:31 | 4.13 | 27.48% |
| 37 |  polarislibrary.com | Science and Education > Libraries and Museums | 10 | 00:11:02 | 9.57 | 22.06% |
| 38 |  louvre.fr | Science and Education > Libraries and Museums | 6 | 00:03:32 | 5.57 | 45.39% |
| 39 |  listal.com | Science and Education > Libraries and Museums | 5 | 00:03:45 | 11.11 | 39.36% |
| 40 |  vam.ac.uk | Science and Education > Libraries and Museums | 4 | 00:02:02 | 4.34 | 52.29% |
| 41 |  onleihe.de | Science and Education > Libraries and Museums | 11 | 00:05:01 | 10.11 | 25.6% |
| 42 |  tate.org.uk | Science and Education > Libraries and Museums | 3 | 00:01:38 | 2.79 | 55.85% |
| 43 |  getty.edu | Science and Education > Libraries and Museums | 3 | 00:01:33 | 2.84 | 50.68% |
| 44 |  rusneb.ru | Science and Education > Libraries and Museums | 3 | 00:02:10 | 4.05 | 49.46% |
| 45 |  nhm.ac.uk | Science and Education > Libraries and Museums | 16 | 00:01:42 | 2.66 | 55.18% |
| 46 |  wayf.dk | Science and Education > Libraries and Museums | 9 | 00:00:52 | 1.52 | 70.97% |
| 47 |  aspendiscovery.org | Science and Education > Libraries and Museums | 12 | 00:03:54 | 6.33 | 21.57% |
| 48 |  folger.edu | Science and Education > Libraries and Museums | 9 | 00:03:01 | 3.33 | 53.54% |
| 49 |  kb.nl | Science and Education > Libraries and Museums | 5 | 00:01:07 | 2.36 | 57.38% |
| 50 |  nlb.gov.sg | Science and Education > Libraries and Museums | 9 | 00:02:32 | 5.64 | 36.61% |
