ISBNs beginnend mit 978-3-901519-xx-xAndreas Koechert × Voces del Pasado - Voces del Presente-Andreas KoechertAcademic PublishersSoftcover2010 Espiritualidad y ciclo de Vida Kaqchikel-Andreas KoechertAcademic PublishersSoftcover2011 Planteamientos Metodológicos Interdisciplinarios-Andreas KoechertAcademic PublishersSoftcover2013 From Birth to DeathKaqchikel Transition PrayersAndreas KoechertAcademic PublishersSoftcover2017
