 One of Berks's most famous works is a bust of former President John Fitzgerald Kennedy that can be found in the Grand Foyer of The John F. Kennedy Center for the Performing Arts in Washington, DC.A copy of his "Bust of Abraham Lincoln" was displayed in the Oval Office during the Clinton Administration.Another of his statues, that of the Swedish botanist and physician Carl Linnaeus, can be found in the Heritage Garden of the Chicago Botanic Garden in Glencoe, Illinois.