sarva-vedetihÄsÄnÄá¹
sÄraá¹ sÄraá¹ samuddhá¹›tam
sarva-veda - of all Vedic literature; itihÄsÄnÄm - of historical literature; sÄram sÄram - the essence of the essence; samuddhá¹›tam - is collected (in ÅšrÄ«mad-BhÄgavatam).
ÅšrÄ«mad-BhÄgavatam was collected by the incarnation of God, VyÄsadeva, and it was later taught to his son, Åšukadeva GosvÄmÄ«. This is a quotation from ÅšrÄ«mad-BhÄgavatam (1.3.41).