Charles T Luthy - Böcker

Human Speech Sounds, Tracing the Evolution of the Forty-three Speech Sounds in the Human Voice Through All Their Series, Classes, Kinds and Forms to the Limit of Audible Distinction; Describing Their Organic Formations; Together With the Positions...

Human Speech Sounds, Tracing the Evolution of the Forty-three Speech Sounds in the Human Voice Through All Their Series, Classes, Kinds and Forms to the Limit of Audible Distinction; Describing Their Organic Formations; Together With the Positions...

Luthy's Scientific Handwriting

Being an Analysis of Roman Script Form and Execution

Luthy's Scientific Handwriting

Being an Analysis of Roman Script Form and Execution

Luthy's Scientific Handwriting

Being An Analysis Of Roman Script Form And Execution (1918)