Lekobide : tríptico legendario de cuadros líricos-vascos : (sobre la tradición popular de Irnio) / Libreto de Emiliano de Arriaga ; música de Andrés de Isasi = Lekobide : euzko-eleski oresidun asele irukoitza : (Irnio'ko erri-askitzaz) / Arriaga'tar Emil

Ed. bilingüe: euskera-español

Carnegie Institution of Washington publication.

no. 143 (1911)

Carnegie Institution of Washington publication.

no. 198 (1914)

An illustrated flora of the Pacific States: Washington, Oregon, and California.

v.1 (1923)

Carnegie Institution of Washington publication.

no. 135 (1910)

Carnegie Institution of Washington publication.

no. 224 (1916)

Carnegie Institution of Washington publication.

no. 273 (1921)

Carnegie Institution of Washington publication.

no. 140 (1911)

Proceedings of the Biological Society of Washington.

v. 4 (1886-1888)