Next Generation SOAThomas Erl, Pethuru Chelliah, Clive Gee, Jürgen Kress, Berthold Maier, Hajo Normann, Leo Shuster, Bernd Trops, Clemens Utschig, Philip Wik, Torsten Winterberg · First published 2014Open the Tome
Ordo 63Hans O. Lenel, Thomas Apolte, Norbert Berthold, Clemens Fuest, Walter Hamm · First published 2012Open the Tome
Physikalische FreihandexperimenteHelmut Hilscher, Clemens Berthold · First published 2006Open the Tome
