Note: Edited by Hedda & Arthur Moeller-Bruck Translated by Hedda Moeller-Bruck & Hedwig Lachmann Several re-editions with different covers From 1904 also available in 5 books (each double-titled volume contains 2 original volumes) The series name is taken from a special page at the beginning of each(?) volume, also stating the editors, the volume number, the volume title and the publisher