UFO History

1949

Jones, Harold Spencer “Life on Other Worlds” (SETI:)

1954

Cramp, Leonard G in his “Space, Gravity and the Flying Saucer” (1954) (available on Amazon USA and on Amazon UK) at page 41 (in Chapter 2) of the Werner Laurie hardback edition.

1

2007

Clarke, David and Roberts, Andy in their “Flying Saucerers : A social history of UFOlogy” (2007) (available on Amazon USA and on Amazon UK) at pages 24 (in Chapter 2), 66 (in Chapter 4) of the Alternative Albion softcover edition.

2

2000

Darling, David in his “The Extraterrestrial Encyclopedia” (2000) (available on Amazon USA and on Amazon UK) at page 217 (in the entry entitled “Jones, Harold Spencer (1890-1960)”) of the Three Rivers softcover edition.

1

2003

Darling, David in his online encyclopedia, “The Encyclopedia of Astrobiology, Astronomy and Spaceflight” (2003) in the entry entitled “Spencer Jones, Harold (1890-1962)”. The relevant entry is available online at: http://www.daviddarling.info/encyclopedia/S/SpencerJones.html

1

1999

Davidson, Keay in his “Carl Sagan: A Life” (1999) (available on Amazon USA and on Amazon UK) at page 28 (in Chapter 1) of the Wiley softcover edition.

1

1996

Dick, Steven J in his “The Biological Universe” (1996) (available on Amazon USA and on Amazon UK) at pages 54-55 (in Chapter 2) of the Cambridge hardback edition.

2

1955

Girvan, Waveney in his “Flying Saucers and Common Sense” (1955) (available on Amazon USA and on Amazon UK) at pages 58-67 (in Chapter 5) of the Frederick Muller hardback edition (with the same page numbering in the Citadel hardback edition).

10

1999

Hennessey, Roger in his “Worlds Without End : The Historic Search for Extraterrestrial Life” (1999) (available on Amazon USA and on Amazon UK) at pages 107-108, 109 (in Chapter 10), 114 (in Chapter 11) of the Tempus hardback edition.

4