Tachy-graphy : The most exact and compendious methode of short and swift writing that hath ever yet been published by any. Composed by Thomas Shelton author and professour of the said art. Approved by both universities. - Shelton, Thomas (Printed at London by R[ichard]C[otes] for Samuel Cartwright, and are to be sold at the hand and Bible in Duck-lane, 1646)