Classics/Williams, 1971 Series
 
Cover for Groot Tarzan-boek (Classics/Williams, 1971 series) #1
Cover for Groot Tarzan-boek (Classics/Williams, 1971 series) #2
Cover for Groot Tarzan-boek (Classics/Williams, 1971 series) #3
Cover for Groot Tarzan-boek (Classics/Williams, 1971 series) #4