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- Illumination of books and manuscripts, Carolingian1
- Ink1
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- Inventions1
- Isagoge (Porphyry)1
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- Islam--Prayers and devotions1
- Islam--Rituals1
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- Islamic astrology1
- Islamic education1
- Islamic ethics1
- Islamic etiquette1
- Islamic poetry, Arabic1
- Italy--Venice1
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