Emecé Editores
 Emecé Editores is an Argentine publishing house currently a subsidiary of Grupo Planeta.The company was founded in 1939 by Mariano Medina del Río shortly after his arrival from Spain with the literary collaboration of Álvaro de las Casas and the support of Medina's former classmate Carlos Braun Menéndez. Emecé's name is derived from the first letters of some of the founders' names (specifically Mariano Carlos Medina and Casas).