Extraterrestrial beings.

Searching for extraterrestrial intelligence = SETI past, present, and future / by: (Language materials, printed)

Extraterrestrial intelligence and human imagination = SETI at the intersection of science, religion, and culture / by: (Language materials, printed)

The hunt for alien life = a wider perspective / by: (Language materials, printed)

What we know about extraterrestrial intelligence = foundations of xenology / by: (Language materials, printed)

Meeting the alien = an introduction to exosociology / by: (Language materials, printed)

Signal, Image and Speech Processing.

Popular Science in Astronomy.

Life on other planets.

Extraterrestrial Physics, Space Sciences.

Social Theory.

Astrobiology.

Extraterrestrial beings.

Evolutionary Biology.

Astronomy, Observations and Techniques.

Search for Extraterrestrial Intelligence (Study group : U.S.)

Societal Aspects of Physics.

Sociology of Culture.

Physics.

Anthropology.

Religious Studies.

Human-alien encounters.

Exobiology.

Popular Science.

Sociological Theory.

Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics)