. . "Bauer." . . "Tehuacán River Valley (Mexico)" . . "Tehuacán, Puebla (Río)" . . "Irrigatie (waterhuishouding)" . . "Bewässerungswirtschaft." . . "Tehuacán (Region)" . . "Peasantry Mexico Tehuacán River Valley." . . "The keepers of water and earth : Mexican rural social organization and irrigation" . . . . . . . . . . "The keepers of water and earth Mexican rural social organization and irrigation" . "The keepers of water and earth Mexican rural social organization and irrigation"@en . "Keepers of water and earth : mexican rural social organization and irrigation" . . . . . . . . . . . . . . . . . "The Keepers of water and earth : mexican rural social organization and irrigation" . . "Mèxic" . . "Agrarstruktur." . .