Referring to the comments regarding the library's accessibility via phone, email or personal enquiry, as a member I had occasion to ring up on one occasion in a quest to track down versions of a certain song gleaned from the Surrey/Sussex borders. After a useful conversation, I received a by return set of photocopies of the various manuscripts containing the suggested versions of the song that I had been discussing. I've also had similar very prompt attention to email enquiries, and have to admit that I've found the assistance given by the staff in these circumstances to be superlative. Although I live 30 miles from London the cost of train fares, and the location of the House make trips up there for this sort of purpose cost prohibitive. However the attention to my requirements meant that, for the cost of the photocopies, I was able to obtain the information I needed, and to save myself the travel costs. So claiming the information contained therein is pretty damned straightforward and simple (and the additional cost to a non-member is far less than the cost of travelling there!).