“OCLC Research has updated its list of the top 1000 titles owned by member libraries — the intellectual works that have been judged to be worth owning by the “purchase vote” of libraries around the globe.” https://www.oclc.org
1. Hamlet by William Shakespeare (Library holdings: 39521 Bibliographic records: 2008)
2. Macbeth by William Shakespeare (Library holdings: 30388 Bibliographic records: 1562)
3. Romeo and Juliet by William Shakespeare (Library holdings: 28646 Bibliographic records: 1292)
4. King Lear by William Shakespeare (Library holdings: 27163 Bibliographic records: 1112)
5. Faust by Johann Wolfgang von Goethe (Library holdings: 25492 Bibliographic records: 1855)
6. Julius Caesar by William Shakespeare (Library holdings: 24990 Bibliographic records: 1113)
7. Midsummer Night’s Dream by William Shakespeare (Library holdings: 24033 Bibliographic records: 953)
8. Othello by William Shakespeare (Library holdings: 23993 Bibliographic records: 988)
9. Merchant of Venice by William Shakespeare (Library holdings: 23922 Bibliographic records: 1256)
10. Tempest by William Shakespeare (Library holdings: 21507 Bibliographic records: 868)
11. Twelfth Night by William Shakespeare (Library holdings: 20014 Bibliographic records: 804)
12. As You Like It by William Shakespeare (Library holdings: 19745 Bibliographic records: 847)
13. Antony and Cleopatra by William Shakespeare (Library holdings: 15936 Bibliographic records: 504)
14. Taming of the Shrew by William Shakespeare (Library holdings: 15536 Bibliographic records: 522)
15. Much Ado about Nothing by William Shakespeare (Library holdings: 15475 Bibliographic records: 583)
16. Henry V by William Shakespeare (Library holdings: 15440 Bibliographic records: 539)
17. Richard II by William Shakespeare (Library holdings: 15340 Bibliographic records: 575)
18. Richard III by William Shakespeare (Library holdings: 15316 Bibliographic records: 658)
19. Cyrano de Bergerac by Edmond Rostand (Library holdings: 13864 Bibliographic records: 443)
20. Winter’s Tale by William Shakespeare (Library holdings: 12664 Bibliographic records: 466)
21. Measure for Measure by William Shakespeare (Library holdings: 12303 Bibliographic records: 356)
22. Oedipus Rex by Sophocles (Library holdings: 11620 Bibliographic records: 526)
23. Coriolanus by William Shakespeare (Library holdings: 11570 Bibliographic records: 422)
24. Comedy of Errors by William Shakespeare (Library holdings: 11165 Bibliographic records: 325)
25. Love’s Labour’s Lost by William Shakespeare (Library holdings: 10917 Bibliographic records: 295)
26. King John by William Shakespeare (Library holdings: 10765 Bibliographic records: 376)
27. All’s Well that Ends Well by William Shakespeare (Library holdings: 10667 Bibliographic records: 258)
28. Merry Wives of Windsor by William Shakespeare (Library holdings: 10659 Bibliographic records: 489)
29. Henry IV Part 1 by William Shakespeare (Library holdings: 10484 Bibliographic records: 312)
30. Troilus and Cressida by William Shakespeare (Library holdings: 10058 Bibliographic records: 230)
31. Il Trovatore by Giuseppe Verdi (Library holdings: 10016 Bibliographic records: 787)
32. Oresteia by Aeschylus (Library holdings: 9927 Bibliographic records: 191)
33. Titus Andronicus by William Shakespeare (Library holdings: 9830 Bibliographic records: 238)
34. Death of a Salesman by Arthur Miller (Library holdings: 9295 Bibliographic records: 145)
35. Cymbeline by William Shakespeare (Library holdings: 9150 Bibliographic records: 353)
36. Henry VIII by William Shakespeare (Library holdings: 8933 Bibliographic records: 338)
37. Two Gentlemen of Verona by William Shakespeare (Library holdings: 8720 Bibliographic records: 239)
38. Antigone by Sophocles (Library holdings: 8184 Bibliographic records: 499)
39. Pericles by William Shakespeare (Library holdings: 7975 Bibliographic records: 229)
40. Timon of Athens by William Shakespeare (Library holdings: 7938 Bibliographic records: 234)
41. Raisin in the Sun by Lorraine Hansberry (Library holdings: 7781 Bibliographic records: 65)
42. Waiting for Godot by Samuel Beckett (Library holdings: 7023 Bibliographic records: 148)
43. Glass Menagerie by Tennessee Williams (Library holdings: 6521 Bibliographic records: 105)
44. Importance of Being Earnest by Oscar Wilde (Library holdings: 6417 Bibliographic records: 240)
45. Phaedra by Jean Racine (Library holdings: 6265 Bibliographic records: 250)
46. Pygmalion by George Bernard Shaw (Library holdings: 6241 Bibliographic records: 192)
47. Life Is a Dream by Pedro Calderón de la Barca (Library holdings: 6185 Bibliographic records: 384)
48. Doctor Faustus by Christopher Marlowe (Library holdings: 6125 Bibliographic records: 211)
49. Medea by Euripides (Library holdings: 6075 Bibliographic records: 365)
50. Lysistrata by Aristophanes (Library holdings: 6059 Bibliographic records: 185)
51. Bacchae by Euripides (Library holdings: 5964 Bibliographic records: 221)
52. Streetcar Named Desire by Tennessee Williams (Library holdings: 5702 Bibliographic records: 88)
53. Crucible by Arthur Miller (Library holdings: 5453 Bibliographic records: 51)
54. Murder in the Cathedral by T. S. Eliot (Library holdings: 5338 Bibliographic records: 89)
55. Saint Joan by George Bernard Shaw (Library holdings: 5313 Bibliographic records: 135)
Source: http://www.oclc.org/research/top1000/complete.html
2. Macbeth by William Shakespeare (Library holdings: 30388 Bibliographic records: 1562)
3. Romeo and Juliet by William Shakespeare (Library holdings: 28646 Bibliographic records: 1292)
4. King Lear by William Shakespeare (Library holdings: 27163 Bibliographic records: 1112)
5. Faust by Johann Wolfgang von Goethe (Library holdings: 25492 Bibliographic records: 1855)
6. Julius Caesar by William Shakespeare (Library holdings: 24990 Bibliographic records: 1113)
7. Midsummer Night’s Dream by William Shakespeare (Library holdings: 24033 Bibliographic records: 953)
8. Othello by William Shakespeare (Library holdings: 23993 Bibliographic records: 988)
9. Merchant of Venice by William Shakespeare (Library holdings: 23922 Bibliographic records: 1256)
10. Tempest by William Shakespeare (Library holdings: 21507 Bibliographic records: 868)
11. Twelfth Night by William Shakespeare (Library holdings: 20014 Bibliographic records: 804)
12. As You Like It by William Shakespeare (Library holdings: 19745 Bibliographic records: 847)
13. Antony and Cleopatra by William Shakespeare (Library holdings: 15936 Bibliographic records: 504)
14. Taming of the Shrew by William Shakespeare (Library holdings: 15536 Bibliographic records: 522)
15. Much Ado about Nothing by William Shakespeare (Library holdings: 15475 Bibliographic records: 583)
16. Henry V by William Shakespeare (Library holdings: 15440 Bibliographic records: 539)
17. Richard II by William Shakespeare (Library holdings: 15340 Bibliographic records: 575)
18. Richard III by William Shakespeare (Library holdings: 15316 Bibliographic records: 658)
19. Cyrano de Bergerac by Edmond Rostand (Library holdings: 13864 Bibliographic records: 443)
20. Winter’s Tale by William Shakespeare (Library holdings: 12664 Bibliographic records: 466)
21. Measure for Measure by William Shakespeare (Library holdings: 12303 Bibliographic records: 356)
22. Oedipus Rex by Sophocles (Library holdings: 11620 Bibliographic records: 526)
23. Coriolanus by William Shakespeare (Library holdings: 11570 Bibliographic records: 422)
24. Comedy of Errors by William Shakespeare (Library holdings: 11165 Bibliographic records: 325)
25. Love’s Labour’s Lost by William Shakespeare (Library holdings: 10917 Bibliographic records: 295)
26. King John by William Shakespeare (Library holdings: 10765 Bibliographic records: 376)
27. All’s Well that Ends Well by William Shakespeare (Library holdings: 10667 Bibliographic records: 258)
28. Merry Wives of Windsor by William Shakespeare (Library holdings: 10659 Bibliographic records: 489)
29. Henry IV Part 1 by William Shakespeare (Library holdings: 10484 Bibliographic records: 312)
30. Troilus and Cressida by William Shakespeare (Library holdings: 10058 Bibliographic records: 230)
31. Il Trovatore by Giuseppe Verdi (Library holdings: 10016 Bibliographic records: 787)
32. Oresteia by Aeschylus (Library holdings: 9927 Bibliographic records: 191)
33. Titus Andronicus by William Shakespeare (Library holdings: 9830 Bibliographic records: 238)
34. Death of a Salesman by Arthur Miller (Library holdings: 9295 Bibliographic records: 145)
35. Cymbeline by William Shakespeare (Library holdings: 9150 Bibliographic records: 353)
36. Henry VIII by William Shakespeare (Library holdings: 8933 Bibliographic records: 338)
37. Two Gentlemen of Verona by William Shakespeare (Library holdings: 8720 Bibliographic records: 239)
38. Antigone by Sophocles (Library holdings: 8184 Bibliographic records: 499)
39. Pericles by William Shakespeare (Library holdings: 7975 Bibliographic records: 229)
40. Timon of Athens by William Shakespeare (Library holdings: 7938 Bibliographic records: 234)
41. Raisin in the Sun by Lorraine Hansberry (Library holdings: 7781 Bibliographic records: 65)
42. Waiting for Godot by Samuel Beckett (Library holdings: 7023 Bibliographic records: 148)
43. Glass Menagerie by Tennessee Williams (Library holdings: 6521 Bibliographic records: 105)
44. Importance of Being Earnest by Oscar Wilde (Library holdings: 6417 Bibliographic records: 240)
45. Phaedra by Jean Racine (Library holdings: 6265 Bibliographic records: 250)
46. Pygmalion by George Bernard Shaw (Library holdings: 6241 Bibliographic records: 192)
47. Life Is a Dream by Pedro Calderón de la Barca (Library holdings: 6185 Bibliographic records: 384)
48. Doctor Faustus by Christopher Marlowe (Library holdings: 6125 Bibliographic records: 211)
49. Medea by Euripides (Library holdings: 6075 Bibliographic records: 365)
50. Lysistrata by Aristophanes (Library holdings: 6059 Bibliographic records: 185)
51. Bacchae by Euripides (Library holdings: 5964 Bibliographic records: 221)
52. Streetcar Named Desire by Tennessee Williams (Library holdings: 5702 Bibliographic records: 88)
53. Crucible by Arthur Miller (Library holdings: 5453 Bibliographic records: 51)
54. Murder in the Cathedral by T. S. Eliot (Library holdings: 5338 Bibliographic records: 89)
55. Saint Joan by George Bernard Shaw (Library holdings: 5313 Bibliographic records: 135)
Source: http://www.oclc.org/research/top1000/complete.html