https://spacefacts.de/bios/candidates/english/ferris_timothy.htm
Biographies of Astronaut and Cosmonaut Candidates: Timothy Ferris
Biographies of Astronaut and Cosmonaut Candidates: Timothy Ferris
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https://www.robertopesce.com/tag/timothy-ferris/
Timothy Ferris Archives - Roberto Pesce
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https://coach-ngo.com/tag/timothy-ferris/
Timothy Ferris Archives - Coach'n Go
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https://www.brothersjudd.com/index.cfm/fuseaction/reviews.detail/book_id/585/Coming%20of%20Ag.htm
Review of Timothy Ferris's Coming of Age in the Milky Way - BrothersJudd.com
BrothersJudd.com reviews Timothy Ferris's Coming of Age in the Milky Way - Grade: A
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