John Robert Gregg Quote: No.1
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Diphthongs are indicated by combinations of hooks and circles. John Robert Gregg | Refcard PDF ↑
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- Name:
- John Robert Gregg (random)
- Books & Videos:
- John Robert Gregg Books & Videos
- Type:
- Inventor
- Nationality:
- American
- Birth Date / Year:
- June 17, 1867
- Death Date / Year:
- February 23, 1948
