| 2-3-4 | SKIP code |
| 3k4.12 | The Kanji Dictionary |
| 4473.1 | Four corner code |
| 1971 | deroo |
| 82b8 | Unicode hex code |
| 1-23-61 | JIS X 0208-1997 kuten code |
| 3908 | Classic Nelson (Andrew Nelson) |
| 4978 | New Nelson (John Haig) |
| 2209 | New Japanese-English Character Dictionary (Jack Halpern) |
| 2738 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1403 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1892 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 421 | Remembering The Kanji (James Heisig) |
| 450 | Remembering The Kanji, 6th edition (James Heisig) |
| 588 | A New Dictionary of Kanji Usage |
| 689 | Japanese Names (P.G. O’Neill) |
| 421 | Essential Kanji (P.G. O’Neill) |
| 30741P | Morohashi |
| 470 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 435 | Kanji and Kana (Spahn and Hadamitzky) |
| 441 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 388 | sakade |
| 862 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 495 | henshall3 |
| 479 | Tuttle Kanji Cards (Alexander Kask) |
| 566 | Kanji in Context (Nishiguchi and Kono) |
| 642 | Kodansha Compact Kanji Guide |
| 428 | Les Kanjis dans la tête (Yves Maniette) |
| yun2 | Pinyin reading |
| un, ye | Korean reading |
| n2 | JLPT level (KANJIDIC2) |
| 14 | WaniKani level |