She was granted access to his personal library, and was to announce her visits every time she required an entrance to the Mansion. She was not to extract any source from it to bring into the Castle, and any findings or notes were to remain under his protection. That last bit was under protest, she wanted her notes with her at all times. What if she came up with new conclusions?  Well, then she could start a new parchment and bring it to join the rest later. Well, what if she needed to go over them again? Then she could rummage inside that unforgivable brain of hers equipped with a photographic memory among other delightful skills. 