Pampaaralang balarila ng Wikang Pambansa Unang-ikaapat na taon. - Mariano, Antonio D.G.; Sebastian, Federico B.; Villanueva, Antonio F. (Maynila M.E. Anatalio, 1947)
Vol. 1 : 3d ed.
Vol.1 by Antonia F. Villanueva, Federico B. Sebastian and Antonio D.G. Mariano.--v.2 by Federico B. Sebastian and Antonio D.G. Mariano.--v.3 by Antonia F. Villanueva and Antonio D.G. Mariano.--v.4 by Federico B. Sebastian, Antonia F. Villanueva and Antonio D.G. Mariano.
Vol.3 published by Rizal National Enterprises, c1946.
Keywords: Filipino language -- Grammar