[1][2] It runs from Julius Caesar to Conrad III, and seeks to give a complete account of the history of Roman and German emperors and kings, based on a historiographical view of the continuity of the Roman and German successions.
[3] However, much of the material is legendary and fantastic, suggesting that large sections are compiled from earlier works, mostly shorter biographies and saints' lives.
Known sources include the Chronicon Wirzeburgense, the Chronicle of Ekkehard of Aura, and the Annolied; the relationship to the Annolied has received particular attention in scholarship, as earlier views of the priority of the Kaiserchronik, or of a shared source, were gradually dismissed.
The Kaiserchronik in turn was used as an important source for other verse chronicles in the thirteenth century, most notably that of Jans der Enikel.
[7] Massmann was in a bitter academic dispute with August Heinrich Hoffmann von Fallersleben, an "almost proprietal struggle" over the priority of the respective manuscripts they had access to.