The album title relates to the german releases, they came with the Decca label. There were other labels in other countries, especially for the tracks of the two first albums. (UK: Beacon, US, CAN: Rare Earth, I, J: Stateside, F: Polydor)
Tracks 12 & 13 from 1973 were already released on Chrysalis (D: 6155 017).
The band shortened their name in 1971 to "Climax Chicago". To avoid troubles with the american band CHICAGO they changed their name once more to "Climax Blues Band" in 1972.