Answer: whoswho

AnswerCrossword Clue
WHOSWHOElite
WHOSWHOV.I.P. list
WHOSWHOList of influential people
WHOSWHOIt names names
WHOSWHOBlue book
WHOSWHOReference work on notable people published since 1899
WHOSWHOElite group
WHOSWHOGroup of notables
WHOSWHOA list of the A-list
WHOSWHOWhere to look someone up
WHOSWHOReference shelf staple
WHOSWHO"... in America"
WHOSWHODirectory of a sort
WHOSWHOA-list
WHOSWHOReference book
WHOSWHOUseful reference book.
WHOSWHOCollection of notables.
WHOSWHOWell-known reference book.
WHOSWHOPopular reference book.
WHOSWHONotables
WHOSWHOList of notables
WHOSWHOList of leading lights
WHOSWHOVIP directory
WHOSWHODirectory of notables
WHOSWHOVIP list of a sort
WHOSWHONotables list