Translation of "Dissertation" in German

His dissertation contains nothing to criticize.

Seine Dissertation gibt keinerlei Anlass zur Kritik.

I wrote my dissertation about this.

Ich schrieb meine Doktorarbeit zu diesem Thema.

Have you decided on your dissertation topic?

Hast du schon ein Thema für deine Abschlussarbeit?

Thirty pages? You're supposed to write an essay, not a dissertation!

Dreißig Seiten?! Du solltest einen Aufsatz schreiben und keine Dissertation!

- I wrote my thesis about this.
- I wrote my dissertation about this.

Ich schrieb meine Diplomarbeit zu diesem Thema.

Take advantage of the fact that you don't have to write a dissertation.

Nutze es aus, dass du keine Diplomarbeit schreiben musst.

- I wrote my thesis about this.
- I wrote my dissertation about this.
- I wrote my dissertation about that.
- I wrote my thesis about that.
- I wrote my thesis about it.

Ich schrieb meine Abschlussarbeit darüber.

- That was the subject of my dissertation.
- That was the subject of my thesis.

Das war das Thema meiner Dissertation.

- Have you already decided what your thesis is going to be on?
- Have you already decided what your dissertation is going to be on?

- Haben Sie schon entschieden, worüber Ihre Doktorarbeit gehen würde?
- Hast du schon entschieden, worüber deine Doktorarbeit gehen wird?