Engelberg, Stefan. Lemnitzer, Lothar.

Spohr, Dennis, author.

Lemmens, Marcel, author. Wekker, Herman, author.

McCorduck, Edward Scott, author.

Creamer, Thomas B. I., contributor. Gouws, R. H., contributor. Kahane, Henry, contributor. Kahane, Renée, contributor. Ponelis, F. A., contributor.

Cop, Margaret, author.

Ahmad, Khurshid, contributor. Atkins, B.T. Sue, editor. Atkins, Β. T. Sue, contributor. Atkins, Β. Τ. Sue, contributor. Bogaards, Paul, contributor.

Atkins, Beryl T., contributor. Broeders, Ton, contributor. Béjoint, Henri, contributor. Calzolari, Nicoletta, contributor. Cowie, A.P., contributor.

Stein, Gabriele, author.

Alsina, Victória, contributor. Bjørneset, Tove, contributor. Blake, Norman, contributor. Bottomley, Jane, contributor. Busse, Ulrich, contributor.

Tono, Yukio, author.

Stark, Martin, author.