Musick, W. L. (1899). The universal dictation course of Gregg's shorthand: Made up of business letters from twenty-six different businesses, together with legal papers, depositions, and testimony from civil and criminal cases. W.L. Musick.

Musick, William Leslie. The Universal Dictation Course of Gregg's Shorthand: Made Up of Business Letters from Twenty-six Different Businesses, Together with Legal Papers, Depositions, and Testimony from Civil and Criminal Cases. St. Louis: W.L. Musick, 1899.

Musick, William Leslie. The Universal Dictation Course of Gregg's Shorthand: Made Up of Business Letters from Twenty-six Different Businesses, Together with Legal Papers, Depositions, and Testimony from Civil and Criminal Cases. W.L. Musick, 1899.