A generall grammer for the ready attaining of the Ebrew, Samaritan, Calde, Syriac, Arabic, and the Ethopic languages [electronic resource] : With a pertinent discourse of the Orientall tongues. Also a sesquidecury, or a number of fifteene adoptive epistles sent together out of divers parts of the world concerning care of the orientall tongues to be pronounced. By Christian Ravis of Berlin