What has the author Albert Bartels written?

There are two individuals named Albert Bartels who are notable writers, though their fields are different. To give you a more accurate answer, please provide more context about the Albert Bartels you're interested in.

For example, is this Albert Bartels:

* A German philosopher and author who wrote about the history of philosophy and the history of science?

* A contemporary American author who writes books about the American Civil War?

Once I know which Albert Bartels you're referring to, I can provide you with a list of their works.