modern kana orthography (1946 reform, amended 1986); new kana orthography
old kana orthography (used before 1946 reform); historical kana orthography
historical kana orthography (used before 1946 reform); old kana orthography
new kana orthography (1946 reform, amended 1986); modern kana orthography
special kana usage rules (Nara period)
kana orthography (esp. historical) of native Japanese words
jion kanazukai (historical kana style for kanji on-yomi)