Christ, A.
[Contributor];
Gajewski, H.
[Contributor];
Hartmann, F.
[Contributor];
Heinrich, H.
[Editor];
Loges, F.
[Contributor];
May, H.
[Contributor];
Michel, B.
[Contributor];
Panagiotopoulos, P. D.
[Contributor];
Schmidt, R.
[Contributor];
Suchy, H.
[Contributor];
Szablewski, W.
[Contributor];
Troger, H.
[Contributor];
Vries, H. B. de
[Contributor];
Weiss, R.
[Contributor];
Yserentant, H.
[Contributor]