- Writing systems:
- Byblos syllabary – the city of Byblos
- Isthmian
- Indus – Indus Valley Civilization
- Quipu – Inca Empire
- Khitan small script – Khitan
- Cretan hieroglyphs
- Linear A – Minoan
- Mixtec – Mixtec
- Olmec – Olmec civilization
- Phaistos Disc
- Proto-Elamite – Elam
- Rongorongo – Rapa Nui
- Proto-Sinaitic
- Zapotec – Zapotec
- Banpo symbols – Yangshao culture
- Jiahu symbols – Peiligang culture
- Manuscripts:
- Voynich manuscript
- Rohonc Codex
- Codex Seraphinianus
- Hamptonese
- Dorabella cipher
dec 14 2011 ∞
jan 1 2013 +
jan 1 2013 +