| Position | Domain | Category |
|---|
| 1 |  goodreads.com | Science and Education / Libraries and Museums |
| 2 |  exlibrisgroup.com | Science and Education / Libraries and Museums |
| 3 |  bibliocommons.com | Science and Education / Libraries and Museums |
| 4 |  oclc.org | Science and Education / Libraries and Museums |
| 5 |  citationmachine.net | Science and Education / Libraries and Museums |
| 6 |  si.edu | Science and Education / Libraries and Museums |
| 7 |  babelio.com | Science and Education / Libraries and Museums |
| 8 |  mybib.com | Science and Education / Libraries and Museums |
| 9 |  plos.org | Science and Education / Libraries and Museums |
| 10 |  scielo.cl | Science and Education / Libraries and Museums |
| 11 |  openlibrary.org | Science and Education / Libraries and Museums |
| 12 |  1lib.at | Science and Education / Libraries and Museums |
| 13 |  metmuseum.org | Science and Education / Libraries and Museums |
| 14 |  ndl.go.jp | Science and Education / Libraries and Museums |
| 15 |  listal.com | Science and Education / Libraries and Museums |
| 16 |  d1wqtxts1xzle7.cloudfront.net | Science and Education / Libraries and Museums |
| 17 |  pomahach.com | Science and Education / Libraries and Museums |
| 18 |  gale.com | Science and Education / Libraries and Museums |
| 19 |  ushmm.org | Science and Education / Libraries and Museums |
| 20 |  lib.ru | Science and Education / Libraries and Museums |
| 21 |  oceanofpdf.com | Science and Education / Libraries and Museums |
| 22 |  everydaypower.com | Science and Education / Libraries and Museums |
| 23 |  thecollector.com | Science and Education / Libraries and Museums |
| 24 |  bnf.fr | Science and Education / Libraries and Museums |
| 25 |  themarginalian.org | Science and Education / Libraries and Museums |
| 26 |  1lib.ch | Science and Education / Libraries and Museums |
| 27 |  polarislibrary.com | Science and Education / Libraries and Museums |
| 28 |  librarything.com | Science and Education / Libraries and Museums |
| 29 |  yes-pdf.com | Science and Education / Libraries and Museums |
| 30 |  torontopubliclibrary.ca | Science and Education / Libraries and Museums |
| 31 |  bl.uk | Science and Education / Libraries and Museums |
| 32 |  moma.org | Science and Education / Libraries and Museums |
| 33 |  libkey.io | Science and Education / Libraries and Museums |
| 34 |  yibook.org | Science and Education / Libraries and Museums |
| 35 |  serialssolutions.com | Science and Education / Libraries and Museums |
| 36 |  ipl.org | Science and Education / Libraries and Museums |
| 37 |  nypl.org | Science and Education / Libraries and Museums |
| 38 |  britishmuseum.org | Science and Education / Libraries and Museums |
| 39 |  louvre.fr | Science and Education / Libraries and Museums |
| 40 |  contentreserve.com | Science and Education / Libraries and Museums |
| 41 |  nhm.ac.uk | Science and Education / Libraries and Museums |
| 42 |  tate.org.uk | Science and Education / Libraries and Museums |
| 43 |  muzkult.ru | Science and Education / Libraries and Museums |
| 44 |  rsl.ru | Science and Education / Libraries and Museums |
| 45 |  ozone.ru | Science and Education / Libraries and Museums |
| 46 |  medialibrary.it | Science and Education / Libraries and Museums |
| 47 |  nla.gov.au | Science and Education / Libraries and Museums |
| 48 |  oszk.hu | Science and Education / Libraries and Museums |
| 49 |  onleihe.de | Science and Education / Libraries and Museums |
| 50 |  amnh.org | Science and Education / Libraries and Museums |
d1wqtxts1xzle7.cloudfront.net