Extraterrestrial civilizations /

The search for extraterrestrial intelligence : a philosophical inquiry /
by: Lamb, David, 1942-
Published: (2001)

The search for extraterrestrial intelligence : listening for life in the cosmos /
by: McDonough, Thomas R.
Published: (1987)

The extraterrestrial encyclopedia : an alphabetical reference to all life in the universe /
by: Darling, David J.
Published: (2000)

Extraterrestrials--where are they? /
Published: (1995)

Extraterrestrials, where are they? /
Published: (1982)

Communication with extraterrestrial intelligence /
Published: (2011)

Concepts for detection of extraterrestrial life /

The extraterrestrial encyclopedia : our search for life in Outer Space /
by: Angelo, Joseph A.
Published: (1985)

Exobiology: the search for extraterrestrial life ; proceedings of an AAS/AAAS symposium held in New York, N.Y., December 30, 1967 /

The extraterrestrial life debate, antiquity to 1915 : a source book /
by: Crowe, Michael J.
Published: (2008)

Communication with extraterrestrial intelligence (CETI) /
Published: (1973)

The search for extraterrestrial life, recent developments : proceedings of the 112th symposium of the International Astronomical Union held at Boston University, Boston, Mass., USA, June 18-21, 1984 /
Published: (1985)

Civilized life in the universe : scientists on intelligent extraterrestrials /
by: Basalla, George
Published: (2006)

The search for extraterrestrials : intercepting alien signals /
by: Ross, Monte
Published: (2009)

Communication with extraterrestrial intelligence /
Published: (1979)

Are we alone? : The possibility of extraterrestrial civilizations /
by: Rood, Robert T.
Published: (1981)

The extraterrestrial life debate, 1750-1900 : the idea of a plurality of worlds from Kant to Lowell /
by: Crowe, Michael J.
Published: (1986)

The Search for Extraterrestrial Intelligence (SETI) in the optical spectrum : 21-22 January 1993, Los Angeles, California /
Published: (1993)

The search for extraterrestrial intelligence (SETI) in the optical spectrum III : 22-24 January 2001, San Jose, USA /
Published: (2001)

The search for extraterrestrial intelligence (SETI) in the optical spectrum II : 31 January-1 February 1996, San Jose, California /
Published: (1996)

First contact : the search for extraterrestrial intelligence /
Published: (1990)

Alone but not lonely : exploring for extraterrestrial life /
by: Friedman, Louis
Published: (2023)

The quest : a report on extraterrestrial life /
by: Allen, Thomas B.
Published: (1965)

After contact : the human response to extraterrestrial life /
by: Harrison, Albert A.
Published: (1997)

The search for extraterrestrial intelligence, SETI /
Published: (1977)

Messages from the stars : communication and contact with extraterrestrial life /
by: Ridpath, Ian
Published: (1978)

Aliens : can we make contact with extraterrestrial intelligence? /
by: Clark, Andrew J. H.
Published: (1999)

Beyond Earth : the search for extraterrestrial life /
by: Gallant, Roy A.
Published: (1977)

Looking for life in the universe : the search for extraterrestrial intelligence /
by: Jackson, Ellen, 1943-
Published: (2002)

Confessions of an alien hunter : a scientist's search for extraterrestrial intelligence /
by: Shostak, G. Seth
Published: (2009)

The cosmic connection ; an extraterrestrial perspective /
by: Sagan, Carl, 1934-1996
Published: (1973)

We are not alone : why we have already found extraterrestrial life /
by: Schulze-Makuch, Dirk, 1964-
Published: (2010)

Planet hunters : the search for extraterrestrial life /
by: Ellerbroek, Lucas
Published: (2017)

The SETI factor : how the search for extraterrestrial intelligence is changing our view of the universe and ourselves /
by: White, Frank, 1944-
Published: (1990)

Here be dragons : the scientific quest for extraterrestrial life /
by: Koerner, David
Published: (2000)

Carl Sagan's cosmic connection : an extraterrestrial perspective /
by: Sagan, Carl, 1934-1996
Published: (2000)