Vol. 2 edited by: Siegfried Zielinski and David Link in collaboration with Eckhard Fürlus and Nadine Minkwitz.

Vol. 3 has title: On deep time relations of arts, sciences, and technologies in China and elsewhere and is edited by Siegfried Zielinski and Eckhard Fürlus in cooperation with Nadine Minkwitz.

Vol. 4 has subtitle: On deep time relations of arts, sciences and technologies in the Arabic-Islamic world and beyond and is edited by Siegfried Zielinski and Eckhard Fürlus in cooperation with Daniel Irrgang and Franziska Latell.

Vol. 5 has subtitle: Neapolitan affairs and is edited by Siegfried Zielinski and Eckhard Fürlus in cooperation with Daniel Irrgang.

Vol. 5 completes the set, but the work of Variantology will continue in a form yet to be determined.