Missing a few songs

I'm not the ultimate Marvin Gaye fan, but I wanted to have at home a CD of his best songs. There are also many well-known it, but also a lot that I did not know and who have not torn me away. Clearly I do not have: "Is not no mountain high".
The CD is called "The Very Best Of" and that is for me really all known songs - the crème de la crème.
A recommendation for those who know all the songs by Marvin Gaye.