R-44 helicopter – Scalecraft
Helicopter Pioneer Frank Robinson Passes
Robinson Our OEM capabilities – Oceania Aviation
Robinson Helicopter's Frank Robinson
Frank Robinson - Robinson Helicopter Company
Robinson R22 National Air and Space Museum
Sloane Helicopters celebrates its 500th new Robinson Helicopter, Sloane Helicopters
Surviving the recession, by Frank Robinson
Frank Robinson Retires - Robinson Helicopter Company
Robinson R22 Beta
Danger spins from the sky: The Robinson R44, the world's best-selling civilian helicopter, has a long history of deadly crashes - Los Angeles Times