Written work plays an important part at the college level. Some tutors will treat it as obligatory, others will give you the opportunity if you want to take it of having your written work looked at. You should take that opportunity. Oxford is one of the few places in which you can still get written work read and discussed. You should ask your college tutor to make the arrangements for tutorials as early as possible.
Early booking puts all parties in certainty.
In case of difficulty he or she should contact Peter Birks at All Souls for advice. You must not try to arrange your tutorials yourself. Ask your college's law fellows to do it. This coursebook first lists the seminar and lecture programme and then carries suggested reading for both, for the seminars first and then the lectures. You will see that some items are starred or double-starred.