Derek G Spear

By Derek G Spear, Anthony N Palazotto

Edited By N. E. Spear, R. R. Miller

Edited By R. V. Kail, Jr., N. E. Spear

Edited By Linda Lundgaard Andersen, Malin Gawell, Roger Spear

Edited By Norman E. Spear, Linda P. Spear, Michael L. Woodruff

Edited By John H. Hannigan, Linda P. Spear, Norman E. Spear, Charles R. Goodlett

Edited By Martin J. Smith, Joanna Spear

Edited By Roger Spear, Jacques Defourny, Jean-Louis Laville

By Ellen Spears

Edited By Roger Spear, Jacques Defourny, Jean-Louis Laville

Edited By Roger Spear, Jacques Defourny, Jean-Louis Laville

Edited By Marianna Di Paolo, Arthur K. Spears