a. "The Manual of Alethography, being an improved system of Short-hand". 1880
b."Llaw-fer Gymreig y ol trefn Alethographia". 1881
c."The A.B.C. Method of Shortband". 1880
d "Alethographic Reader". n.d.
a. "The Manual of Alethography, being an improved system of Short-hand". 1880
b."Llaw-fer Gymreig y ol trefn Alethographia". 1881
c."The A.B.C. Method of Shortband". 1880
d "Alethographic Reader". n.d.
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