Many thanks for all the nice comments !!!
https://www.discogs.com/Adam-Eve-Paradise-Of-Sounds/master/799529 1969 ?
Discogs is wrong this time. Look here for the right data: http://rateyourmusic.com/release/album/adam_and_eve/paradise_of_sounds/Also the track list of the 1973 issue is a bit different. The German song ("Wir denken uns etwas aus") is missing, in exchange for "Words Of Love".