Grammatical correctness of "I'm trying to find what he had written"

Question

I don't know if this is a question which is suited for this site, but in spoken language, does the following sentence sound odd?

A. What other things did he write?
B. Wait a second, I'm trying to find what he had written.

I think the sentence sounds fine, but I'm not sure. My friend had said that it sounded odd, and should be corrected to

Wait a second, I'm trying to find what he has written.

Which one is correct?

Answer 1

If the author is still alive:

....what he has written.

If the author is dead:

....what he wrote.

If you're not sure, either one will do.

You could use:

....what he had written.

if you wanted to make it clear that his writings had taken place before some other development, as in:

....what he had written, before he renounced communism, he later regretted.

although even there wrote would work as well.