PERSON@1 -LRB- February NUMBER@1 , NUMBER@2 -- August NUMBER@3 , NUMBER@4 -RRB- , `` PERSON@2 -- Britannica Concise '' -LRB- biography -RRB- , PERSON@3 , NUMBER@5 , Concise .

PERSON@1 -LRB- February NUMBER@1 , NUMBER@2 -- August NUMBER@3 , NUMBER@4 -RRB- , `` Ernst Haeckel - Britannica Concise '' -LRB- biography -RRB- , PERSON@3 , NUMBER@5 , Concise .
