Gregg, John Robert, 1867-1948. cn Gregg shorthand : a light-line phonography for the million / by John Robert Gregg.

Gregg, John Robert, 1867-1948. cn

Gregg shorthand : a light-line phonography for the million / by John Robert Gregg.

New York : The Gregg Publishing Company, c1916.

Shorthand.

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