by Karl Ruhrberg...[et.al] by Karl Ruhrberg...[et.al by Martin Eidelberg...[et al.] edited by Karl Buchberg...[et al.] by Marilena Karra...[et.al] by Paul Smitz...[et.al] by Martin Eidelberg...[et al. edited by Karl Buchberg...[et al. Carl G. Jung...[et.al.] by David Else...[et.al]