Audrey Mackaman/ Derek Perkins (NRT)
(4)
Brian D. Anderson/ Derek Perkins (NRT)
(4)
Catherine Aird/ Derek Perkins (NRT)
(3)
Julia London/ Derek Perkins (NRT)
(3)
Yuval Noah Harari/ Derek Perkins (NRT)
(3)
Anne Charnock/ Susan Duerden (NRT)/ Derek Perkins (NRT)
(2)
Arthur C. Clarke/ Derek Perkins (NRT)
(2)
C. Courtney Joyner/ Derek Perkins (NRT)
(2)
Caroline Moorehead/ Derek Perkins (NRT)
(2)
Catherine Cookson/ Derek Perkins (NRT)
(2)
Daniel Tudor/ James Pearson/ Derek Perkins (NRT)
(2)
Gordon Corera/ Derek Perkins (NRT)
(2)
Hans-Olav Thyvold/ Marie Otsby (TRN)/ Derek Perkins (NRT)
(2)
Hazel Gaynor/ Antony Ferguson (NRT)/ Derek Perkins (NRT)/ Mary Jane Wells (NRT)/ Billie Fulford-Brown (NRT)
(2)
Johan Norberg/ Derek Perkins (NRT)
(2)
Joseph E. Stiglitz/ Derek Perkins (NRT)
(2)
Margot Livesey/ Nicol Zanzarella (NRT)/ Derek Perkins (NRT)
(2)
Robert Louis Stevenson/ Charlotte Perkins Gilman/ Derek Perkins (NRT)/ Alison Larkin (NRT)
(2)
Addy Pross/ Derek Perkins (NRT)
(1)
Adharanand Finn/ Derek Perkins (NRT)
(1)