Ambrazaitis, Gilbert, contributor. Andreeva, Bistra, contributor. Arvaniti, Amalia, contributor. Barnes, Jonathan, contributor. Barry, William J., contributor.

Schneider, Klaus P., author.

Borgwaldt, Susanne R., contributor. Bredel, Ursula, contributor. Geilfuß-Wolfgang, Jochen, contributor. Gillis, Steven, contributor. Groot, Annette M.B. de, contributor.