| 2-3-11, 2-11-3 | SKIP code |
| 8c6.4 | The Kanji Dictionary |
| 4034.1 | Four corner code |
| 1448 | deroo |
| 596a | Unicode hex code |
| 1-35-05 | JIS X 0208-1997 kuten code |
| 1183 | Classic Nelson (Andrew Nelson) |
| 1171 | New Nelson (John Haig) |
| 2343 | New Japanese-English Character Dictionary (Jack Halpern) |
| 2956 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1517 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2058 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 566 | Remembering The Kanji (James Heisig) |
| 608 | Remembering The Kanji, 6th edition (James Heisig) |
| 1068 | A New Dictionary of Kanji Usage |
| 1603 | Essential Kanji (P.G. O’Neill) |
| 5994 | Morohashi |
| 1561 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1310 | Kanji and Kana (Spahn and Hadamitzky) |
| 1389 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1182 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1697 | Tuttle Kanji Cards (Alexander Kask) |
| 1407 | Kanji in Context (Nishiguchi and Kono) |
| 421 | Kodansha Compact Kanji Guide |
| 573 | Les Kanjis dans la tête (Yves Maniette) |
| duo2 | Pinyin reading |
| tal | Korean reading |
| n1 | JLPT level (KANJIDIC2) |
| 39 | WaniKani level |