Engel, Deena (Courant Institute of Mathematical Sciences, New York University, USA),Phillips, Joanna (Dusseldorf Conservation Center, Germany.)
（1）
Ormrod, W. Mark (Professor Emeritus of History, Professor Emeritus of History, University of York),Story, Joanna (Professor of Early Medieval History, Professor of Early Medieval History, University
（1）
；Engel, Deena (Courant Institute of Mathematical Sciences, New York University, USA),Phillips, Joanna (Dusseldorf Conservation Center, Germany.)
（1）
；Tienhaara, Kyla (Queens University, Canada.),Robinson, Joanna (York University, Canada.)
（1）
