Please excuse the mess! These have to be edited further.
Food
Wagashi and Tea

Places
Kyoto | Tokyo

People
Geisha | Ninja | Choshu| Shinsengumi

Customs
Religion | Feng Shui/ Astrology | Heian | Names | Animals

Flowers
Clothing and Fragrances
Music, Literature and Arts
Science and Technology
Medicine | Transport | Weapons/War