Model diesel-electric locomotive, 1/16 scale, British Rail "Railfreight" Class 60 (Brush Type 5) Co-Co No 60001, 1989, model by Bassett Lowke Ltd, Nottingham, c1989, in perspex case. model trainload class 60 diesel locomotive 1997
Book with proceedings of conference at Princeton University's 250th anniversary focusing on cosmology, with participation by Hawking collaborators and students 1997
Book with debate on consciousness with participation by Roger Penrose, with commentary by Stephen Hawking 1997
PhD thesis by Hawking's student Raphael Bousso, titled: Pair creation of black holes in cosmology 1997