| Play | Key Line | Modern Text | Original Text |
| All's Well That Ends Well | AW IV.i.56 | Thirty fathom. | Thirty fadome. |
| All's Well That Ends Well | AW IV.v.79 | able body as when he numbered thirty. 'A will be here | able bodie as when he number'd thirty, a will be heere |
| Antony and Cleopatra | AC III.iii.28 | And I do think she's thirty. | And I do thinke she's thirtie. |
| Hamlet | Ham III.ii.164 | Full thirty times hath Phoebus' cart gone round | Full thirtie times hath Phoebus Cart gon round, |
| Hamlet | Ham III.ii.166 | And thirty dozen moons with borrowed sheen | And thirtie dozen Moones with borrowed sheene, |
| Hamlet | Ham V.i.160 | sexton here, man and boy, thirty years. | sixeteene heere, man and Boy thirty yeares. |
| Henry IV Part 1 | 1H4 I.ii.186 | supper. How thirty at least he fought with, what wards, | Supper: how thirty at least he fought with, what Wardes, |
| Henry IV Part 1 | 1H4 III.iii.195 | Have thirty miles to ride yet ere dinner-time. | Haue thirtie miles to ride yet ere dinner time. |
| Henry IV Part 1 | 1H4 IV.i.130.1 | To thirty thousand. | To thirty thousand. |
| Henry IV Part 2 | 2H4 II.i.99 | And didst thou not kiss me, and bid me fetch thee thirty | And did'st yu not kisse me, and bid mee fetch thee 30.s? |
| Henry IV Part 2 | 2H4 II.iv.160 | Which cannot go but thirty mile a day, | which cannot goe but thirtie miles a day, |
| Henry IV Part 2 | 2H4 IV.i.22 | Upon or near the rate of thirty thousand. | Vpon, or neere, the rate of thirtie thousand. |
| Henry VI Part 3 | 3H6 II.i.176 | Their power, I think, is thirty thousand strong. | Their power (I thinke) is thirty thousand strong: |
| Henry VI Part 3 | 3H6 II.ii.68 | For with a band of thirty thousand men | For with a Band of thirty thousand men, |
| Henry VI Part 3 | 3H6 V.iii.14 | The Queen is valued thirty thousand strong, | The Queene is valued thirtie thousand strong, |
| King Edward III | E3 III.iv.110 | A hundred-and-twenty knights, and thirty thousand | A hundred and twenty knights, and thirty thousand |
| King John | KJ II.i.530 | Full thirty thousand marks of English coin. | Full thirty thousand Markes of English coyne: |
| King Lear | KL III.vii.15 | Some five- or six-and-thirty of his knights, | Some fiue or six and thirty of his Knights |
| Macbeth | Mac IV.i.7 | Days and nights has thirty-one. | Dayes and Nights, ha's thirty one: |
| Othello | Oth I.iii.37 | Of thirty sail; and now they do re-stem | Of thirtie Saile: and now they do re-stem |
| Romeo and Juliet | RJ I.v.34.2 | By'r Lady, thirty years. | Berlady thirty yeares. |
| Romeo and Juliet | RJ I.v.40.1 | His son is thirty. | His Sonne is thirty. |
| The Taming of the Shrew | TS induction.2.113 | Ay, and the time seems thirty unto me, | I, and the time seeme's thirty vnto me, |
| The Taming of the Shrew | TS I.ii.32 | master so, being perhaps, for aught I see, two and thirty, | master so, being perhaps (for ought I see) two and thirty, |