I have only just come across this topic and the various replies have certainly stirred a few memories. I have copies of the Yellow TOPS Guide and orange TOPS Loco booklet but cannot locate them at present, however I also have a copy of the BR2489/55 TOPS Enquiry Handbook which lists the common enquiries and provides some examples of of printouts in a handy 90 page A6 sized booklet.TOPS Handbook BR 2489.55 - Cover.doc