Ok; not much content in here yet, but there will be as texts are added to this course.
If you are interested in Chinese etymology:
By Uncle Hanzi.
If you want to look up characters by pinyin reading:
There are also links to indexes for looking up characters by radical, or, if all else fails, stroke order.
中国人 (中國人) Zhōngguórén 'Chinese person'. 他是中国人。 Tā shi shì zhōngguórén. 'He's Chinese.'