Hector Williams Zorrilla has written:
'Psicologia sexual de la pareja'
Juan Zorrilla de San Martin has written: 'Tabare'
Restituto Zorrilla has written: 'El consumo del ocio' -- subject(s): Leisure, Recreational surveys
Erasmo Zorrilla Trisano has written: 'A sample and hold technique for automatic frequency control in binary data transmission systems'
Hector has written: 'The Family and guest'
Hector Sutherland has written: 'They blow their trumpets'
Hector Acebes has written: 'Hector Acebes' -- subject(s): Portrait photography
Hector Cadavid Elejalde has written: 'Definitivo'
Hector William Nelson has written: 'Weaving'
Hector Williamson has written: 'The weed-seed collection'
Hector Babenco has written: 'Kiss of the spider woman'
Hector Vazquez Azpiri has written: 'Fauna'
Hector Landouzy has written: 'De la pellagre sporadique'