Torthaí cuardaigh - "Linguistic geography."

A survey of the dialect geography of five towns and one city in Capiz Roxas City, Panay, Pilar, Dumalag, Mambusao, and Sapi-an de réir Argos, Josefa V. 1923-

A survey of the dialect geography in the six towns of Sorsogon Donsol, Sorsogon, Bacon, Gubat, Casiguran and Sta. Magdalena de réir Eco, Caridad (Adille) 1920-

A survey of the linguistic geography of five towns and one city in Pampanga (Angeles City, Arayat, San Fernando, Bacolor, Sexmoan, and Masantol) de réir David, Anita Pamintuan 1944-

Journal of linguistic geography.

Available for UP System via Cambridge Core

The nationalities of Europe and the growth of national ideologies de réir Chadwick, Hector Munro

A survey of the dialect geography of six towns in Capiz (Ivisan, Sigma, Panitan, Dumarao, President Roxas & Tapaz) de réir Ubal, Lagrimas Dulfo 1941-

A survey of the dialect geography of five towns and one city in Davao (Baganga, Mati, Pantukan, Panabo, Samal and Davao City) de réir Colmenares, Helen P.

The nationalities of Europe and the growth of national ideologies de réir Chadwick, Hector Munro 1870-1947

A survey of the dialect geography of six towns in Northern Samar (Allen, Biri, and Catarman, Catubig, Laoang, and San Jose) de réir Aban, Ernesto Bido 1938-

Atlas of the world's languages