Christopher Janaway (EDT)
(2)
Arthur Schopenhauer/ Adrian Del Caro (EDT)/ Christopher Janaway (EDT)
(1)
Arthur Schopenhauer/ David E. Cartwright (TRN)/ Edward E. Erdmann (TRN)/ Christopher Janaway (INT)
(1)
Arthur Schopenhauer/ Judith Norman (EDT)/ Alistair Welchman/ Christopher Janaway
(1)
Arthur Schopenhauer/ Sabine Roehr (EDT)/ Sabine Roehr (TRN)/ Christopher Janaway (EDT)
(1)
Christopher Janaway/ Kyle Munley (NRT)
(1)
Paul Guyer (EDT)/ Paul Guyer (CON)/ Nick Zangwill (CON)/ Christopher Janaway (CON)/ Anthony Savile (CON)
(1)
Roger Scruton/ Peter Singer/ Christopher Janaway/ Michael Tanner
(1)