I'm afraid I think that you will have to go through them all fairly carefully – make notes – I suggest that you number the pages with a pen down at the bottom or something so that you can then refer to them. Maybe the thing to do is put them all in some kind of ring binder or maybe a couple of ring binders. Number the pages by hand, then go through them once and make an index using an Excel spreadsheet of the titles and the dates of each document – together with with its number. That will