Based on the clue 'a european car maker or an authoritative decree', what is the answer?

Based on the clue 'a dynasty of flemish artists with this last name i...', what is the answer? Based on the clue 'a dyslexic youth he rewrote the book on tv by usin...', what is the answer? Based on the clue 'a dzo is the hybrid offspring of a cow this tibet...', what is the answer? Based on the clue 'a eugene oneill play finds desire under these', what is the answer? Based on the clue 'a european language no longer spoken mhg', what is the answer? Based on the clue 'a european metropolis add rim', what is the answer? What is referred to by 'a european republic sofia'? What is associated with: a fable was a winner for this author in 1955?