| 1-3-9 | SKIP code |
| 3c9.17 | The Kanji Dictionary |
| 5701.4 | Four corner code |
| 1372 | deroo |
| 63e1 | Unicode hex code |
| 1-16-14 | JIS X 0208-1997 kuten code |
| 1963 | Classic Nelson (Andrew Nelson) |
| 2232 | New Nelson (John Haig) |
| 585 | New Japanese-English Character Dictionary (Jack Halpern) |
| 714 | Kodansha Kanji Dictionary (Jack Halpern) |
| 427 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 535 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1059 | Remembering The Kanji (James Heisig) |
| 1139 | Remembering The Kanji, 6th edition (James Heisig) |
| 1467 | A New Dictionary of Kanji Usage |
| 1566 | Essential Kanji (P.G. O’Neill) |
| 12366 | Morohashi |
| 999 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1714 | Kanji and Kana (Spahn and Hadamitzky) |
| 1831 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1370 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1538 | Tuttle Kanji Cards (Alexander Kask) |
| 1257 | Kanji in Context (Nishiguchi and Kono) |
| 911 | Kodansha Compact Kanji Guide |
| 1068 | Les Kanjis dans la tête (Yves Maniette) |
| wo4 | Pinyin reading |
| ag | Korean reading |
| n1 | JLPT level (KANJIDIC2) |
| 42 | WaniKani level |