The construction of the speaking subject in Theodore Roethke's poetry - Borja Aguiló Obrador; Viorica Patea Birk (dir. tes.); Ana María Manzanas Calvo (dir. tes.); Román Álvarez Rodríguez (pres.); María Eugenia Díaz Sánchez (secr.); Philip Coleman (voc.); María Teresa Gibert Maceda (voc.); Paul Scott Derrick (voc.) (2014)