1 Guyton, Arthur C. (e.100) 2 Jacob, Stanley W. (Stanley Wallace),), autor (1924-) (e.100) 3 Thibodeau, Gary A. (e.100) 4 Martín Villamor, Pedro Gabriel (e.100) 5 Martín Villamor, Pedro Gabriel (e.100) 6 Martín Villamor, Pedro Gabriel (e.100) 7 Fraile Ovejero, Arsenio (e.100) 8 Robert J. Brady Company (e.110) 9 Brady, Robert J. (e.100) 10 Brady, Robert J. (e.100) 11 12 Smith, James J. (e.100) 13 Winton, F. R.,, autor (e.100) 14 Bartels, Heinz (e.100) 15 16 Escolar Izquierdo, Aurelio (e.100) 17 Torres, Begoña (e.100) 18 Pearce, Evelyn C. (e.100) 19 Ganong, William F. (e.100) 20 Bevan, James Stuart (e.100) 
