Also and too : a corpus-based study of their frequency and use in modern English - Fjelkestam-Nilsson, Brita (Stockholm : Almqvist & Wiksell International, 1983)
Diss. - Acta Universitastis stockholmiensis, 1983
Bibliography: p. 145-149
Keywords: English language -- Adverbials; English language -- Discourse analysis; Too (The English word); English language -- Word frequency