Beards — Audiobooks

The Philosophy of Beards
by Thomas S. Gowing

Trichocosmos: Notes historical, æsthetical, ethnological, physiological, anecdotal and tonsorial, on the hair & beard
by Anonymous

Beaver: An Alphabet of Typical Specimens
by John Kettelwell

Pogonologia; Or, A Philosophical and Historical Essay on Beards
by J.-A. (Jacques-Antoine) Dulaure