• 2 Videos, Slides, Films

• 2 Communication
• 2 Historical linguistics
• 2 History
• 2 Origin
• 1 Comparative linguistics
• 1 Language acquisition
• 1 Nostratic hypothesis

• 2 Browne, Christene, 1965-
• 2 Films for the Humanities & Sciences (Firm)
• 2 OMNI Television
• 2 Syncopated Productions
• 1 Campbell, Lyle
• 1 Cavalli-Sforza, L. L. (Luigi Luca), 1922-2018
• 1 Chomsky, Noam
• 1 DeGraff, Michel
• 1 Gell-Mann, Murray
• 1 Hyman, Larry M.
• 1 Joseph, Brian D.
• 1 Klein, Richard G.
• 1 Ladefoged, Peter
• 1 Lieberman, Philip
• 1 Lin, Hua, 1957-
• 1 Massam, Diane
• 1 McWhorter, John H.
• 1 Nichols, Johanna
• 1 Ruhlen, Merritt, 1944-
• 1 Starostin, S. A. (Sergeĭ Anatolʹevich), 1953-2005

• 2 English
• 1 Multiple languages

• 1 Documentary television programs
• 1 Video recordings for people with visual disabilities
• 1 Video recordings for the hearing impaired

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