Méndez Espinosa, Oscar. Diccionario del idioma zapoteco (5 Tomos) / Oscar Méndez Espinosa. Tehuantepec-Ixtepec-Juchitán, Oaxaca : Universidad del Istmo, 2018. 5 volumes : 23 cm. ISBN: 9786077831082 9786077831099 9786077831105 9786077831112 9786077831129 9786077831136. Zapotec dictionary compiled in five volumes directly from oral sources, includes maps of the regions. Annotations relate to linguistic fieldwork involved, include an alphabet for all the Zapotec variants recorded to date. Bilingual Zapotec - Spanish - Zapotec.