| 2-3-4, 2-5-2 | SKIP code |
| 3m4.5 | The Kanji Dictionary |
| 3041.7 | Four corner code |
| 757 | deroo |
| 7a76 | Unicode hex code |
| 1-21-70 | JIS X 0208-1997 kuten code |
| 3314 | Classic Nelson (Andrew Nelson) |
| 4189 | New Nelson (John Haig) |
| 2203 | New Japanese-English Character Dictionary (Jack Halpern) |
| 2729 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1398 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1885 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1320 | Remembering The Kanji (James Heisig) |
| 1417 | Remembering The Kanji, 6th edition (James Heisig) |
| 427 | A New Dictionary of Kanji Usage |
| 492 | Japanese Names (P.G. O’Neill) |
| 599 | Essential Kanji (P.G. O’Neill) |
| 25409 | Morohashi |
| 253 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 895 | Kanji and Kana (Spahn and Hadamitzky) |
| 917 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 185 | sakade |
| 234 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 271 | henshall3 |
| 278 | Tuttle Kanji Cards (Alexander Kask) |
| 261 | crowley |
| 298 | Kanji in Context (Nishiguchi and Kono) |
| 2.8 | busy_people |
| 1451 | Kodansha Compact Kanji Guide |
| 1331 | Les Kanjis dans la tête (Yves Maniette) |
| jiu4, jiu1 | Pinyin reading |
| gu | Korean reading |
| n4 | JLPT level (KANJIDIC2) |
| 8 | WaniKani level |