Walter Sullivan 1959 1962 1963 1968 1972 Series of 10 articles on pulsars, largely exclusive, covering their discovery and early study - 10 Mar. -19 July 1968 The New York Times
Walter Sullivan 1959 1962 1963 1968 1972 "Soviet Union Undertaking Vast Program of Subterranean Study using holes bored nine miles deep" - 30 Nov. 1962 "Island Chains Formed by Single Volcano" - 29 Apr. 1963 "New Ocean Echo Device Finds Earth’s Apparent Original Crust" - 12 May 1963 The New York Times
Walter Sullivan 1959 1962 1963 1968 1972 "Project Apollo" 3 Part Series - 31 July 1962 The New York Times