History and syntax of the progressive constructions in Spanish / by Robert K. Spaulding - Berkeley : University of California Press, 1926 - p. 230-284 : 25 cm.
Separata de University of California Publications in Modern Philology, vol. 13, No. 3 de 1926.
Bibliografía p. 280-284
Español--Sintaxis
Verbo (Gramática)
465 / SP739h