Alphabeti verè naturalis Hebraici brevissima delineatio : quae simul methodum suppeditat, juxta quam qui surdi nati sunt sic informari possunt, ut non alios saltem loquentes intelligant, sed & ipsi ad sermonis usum perveniant (1667)
Helmont, Franciscus Mercurius van, 1614-1699 · Sulzbaci : Typis Abrahami Lichtenthaleri · leaf 55
Hebrew language -- Religious aspects -- Christianity -- Early works to 1800 · Hebrew language -- Religious aspects -- Judaism -- Early works to 1800 · Hebrew language -- Phonetics -- Early works to 1800 · Deaf -- Education -- Early works to 1800
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.