http://www.mdbg.net/chindict/chindict.php?page=radicals

http://www.lexilogos.com/clavier/zhongwen.htm

http://www.lexilogos.com/clavier/zhongwen.php

http://kakukoto.free.fr/01_30_strokes.htm

http://kakukoto.free.fr/abc.htm

http://www.archchinese.com/arch_chinese_radicals.html

https://chinese.yabla.com/chinese-english-pinyin-dictionary.php

http://dictionary.hantrainerpro.com/chinese-english/translation-yao_important.htm

http://www.kanjinetworks.com/eng/kanji-dictionary/kanji-kana-kun-dictionary.cfm

http://www.unicode.org/cgi-bin/GetUnihanData.pl?codepoint=5677