808.5 / P854v
Potter, Ralpf K
       Visible speech / Ralph K. Potter, George A. Kopp and Harriet Green Kopp .- New York: Dover Publications, 1966 .- xiv, 439p.
Subject Headings:
Deaf--Means Of Communication;
Speech;
Telephone--Equipment And Supplies;
Copy Details:
Acc. No.: A1788, Full Call No.: 808.5 P854v, Item type: Books , Location: COMPACT STORAGE (BASEMENT),
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