| 1-4-4 | SKIP code |
| 4a4.19 | The Kanji Dictionary |
| 4494.1 | Four corner code |
| 1855 | deroo |
| 67a0 | Unicode hex code |
| 1-47-40 | JIS X 0208-1997 kuten code |
| 2205 | Classic Nelson (Andrew Nelson) |
| 2585 | New Nelson (John Haig) |
| 866 | New Japanese-English Character Dictionary (Jack Halpern) |
| 1077 | Kodansha Kanji Dictionary (Jack Halpern) |
| 582 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 771 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 200 | Remembering The Kanji (James Heisig) |
| 212 | Remembering The Kanji, 6th edition (James Heisig) |
| 2047 | A New Dictionary of Kanji Usage |
| 14576 | Morohashi |
| 1943 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1907 | Kanji and Kana (Spahn and Hadamitzky) |
| 2079 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1421 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1197 | Tuttle Kanji Cards (Alexander Kask) |
| 510 | Kanji in Context (Nishiguchi and Kono) |
| 1082 | Kodansha Compact Kanji Guide |
| 204 | Les Kanjis dans la tête (Yves Maniette) |
| n1 | JLPT level (KANJIDIC2) |
| 39 | WaniKani level |