There are different kids of thesis papers that you can write about. Actually, the levels of writing are partitioned in at least four segments, high school, undergraduate, masters and PhD. If you are going to compose a PhD dissertation, then you already probably know what steps to undertake and what chapters to include in the paper. This is somehow very easy to understand especially if you have already experienced writing a paper for research. Now, the big question is what are the levels of writing that should be integrated in a PhD paper? Of course you know that this is the highest form of learning in academic institutions. That is why the best is expected from all the projects that you will be working for. This is the same with writing and researching. You only need to impart the best things in everything that you do.