What has the author Harold Julius Hyden written?

There is no known author named Harold Julius Hyden. It is possible that the name is misspelled or that the author has published under a different name.

Could you please double-check the name or provide more context? For example:

* Do you have any other information about the author, like their nationality or the genre they write in?

* Is there a specific work you are looking for?

* Did you get this name from a source?

With more information, I might be able to help you find the author you are looking for.