by John Spicer ... [et al.]. by John Harvey ...[et al.]. by John J. Abel ...[et al.]. by John D. Walker ... [et al.] by John A. King ... [et al.]. by Jurgen Meichsner ... [et al.]. by Jorgen Jensen ...[et al.]. [John Sanday ... et al.] by Jo Rigg ... [et al.]. by J. J. Bulmer ...[et al.].