Altzola, Nikolas. «LTUBE´ AR EBER (G.B.): (Mondragoi 1879. ernika 1963)». EGAN 22, no. 4-6 (azaroak 1, 2021). skuratua azaroak 22, 2024. http://ojs.i2basque.eus/index.php/egan/article/view/4097.