Gary Dahl, Inventor of the Pet Rock, Dies at 78 - The New York Times

The Pet Rock Captured a Moment and Made Its Creator a Millionaire - ABC News

Pet Rock Inventor Regrets Invention

Maureen O'Hara, spirited movie star, dies at 95 – Hartford Courant

Gary Dahl, Inventor Of The Pet Rock, Dies At 78 The New, 60% OFF

Gary Dahl, Inventor Of The Pet Rock, Dies At 78 The New York Times

Gary Dahl, Inventor Of The Pet Rock, Dies At 78 The New, 60% OFF

Pet Rock Creator Gary Dahl Dies

George Gaynes, 'Punky Brewster' and 'Police Academy' Star, Dies at 98 – Sun Sentinel

10 oddball US inventions that reaped millions

The care and training of your pet rock : Gary Dahl : Free Download, Borrow, and Streaming : Internet Archive

IRC: #techrights @ FreeNode: July 23rd, 2017 – July 29th, 2017

Did You Know That: Pet Rock creator born in ND fooled 'em all some of the time - InForum