Arbol genealogico, teoria de las ondas, y la dialectologíaErnst Pulgram · First published 1965Open the Tome
Introduction to the Spectrography of Speech,Year 1959Ernst Pulgram · First published 1959Open the Tome
Studies Presented to Joshua Whatmough on His 60th BirthdayPulgram, Ernst, Ed · First published 1957Open the Tome
Studies presented to Joshua Whatmough on his sixtieth birthdayErnst Pulgram · First published 1957Open the Tome