Columbia subject headings:
López de Velasco, Juan, active 16th century. Ortografía y pronunciación castellana.
Spanish language--Orthography and spelling--Early works to 1800.
Spanish language--Pronunciation.
Harvard subject headings:
López de Velasco, Juan, active 16th century. Ortografía y pronunciación castellana.
Spanish language--Orthography and spelling--Early works to 1800.
Spanish language--Pronunciation.
Princeton subject headings:
Linguists--Spain.
López de Velasco, Juan, active 16th century.