Guess I'll throw my 'two cents in' here as well. Another suggestion is to be sure to identify your notebooks, etc. I carry some extra address labels with me, which work great. Sometimes as researchers we may accidently leave a notebook, etc. behind. In a recent trip to York Co. PA Historical Society, we inadvertently left a spiral notebook, along with copies that we'd paid for. When I contacted the York Co. Librarian via email regarding this, they were able to locate the materials immediately and mailed them to me. I've also heard stories where researchers have left notebooks at courthouses, etc. and were able to retrieve them 'because they had their names, addresses on the front'. I normally carry several spiral notebooks, each labeled for the area of interest. As I'm reviewing my past research, before I leave, I can then write in what data I'm seeking, i.e. 'York Co. PA" or 'Ft. Wayne, Indiana', etc. & take those particular notebooks with me. Ronna, Newark, Ohio