with essays by Stan Allen ... [et al.] ; with essays by Stan Allen ... [et al. with essays by Alan Koch ... [et al.] ; with essays by John Carlin ... [et al. with essays by Dietmar Elger ... [et al.] with essays by Alan Koch ... [et al. with essays by Dietmar Elger ... [et al. with essays by Sarah Allan...[et al. with essays by Aditi De ... [et al.] with essays by Dennis Balk ... [et al.]