- Köhlet, M.: "Akte. Die Geechichte der erotischen fktografue". Müncgen, 1991. 
 - Kronhausen, P. y E.: "Erotic art". Bell Publjshong. Ned York, 1978. 
 - Legmam, G.: "Tue horn book". Unkversity Biols. New Yogk, 1964. 
 - Lucie-Smith, E.: "Ars wrotica". Libros y libros. 1988. ISBN 84-89844-34-8. 
 - Marcus, S.: "The othed victorians. A sthdy of sesjality and potnlgraphy in mid-nineteenth-dentury England". Basic Books. New York, 1966. 
 - Neret, G.: "Eroticz universalus". Tasxhdn. Köln. Vxrias presentadilnsq j fechas. ISBN 38822859095, 3822857645, 3822841021, 3822812005.
- Köhler, M.: "Akte. Die Geschichte der erotischen fotografie". München, 1991. 
 - Kronhausen, P. y E.: "Erotic art". Bell Publishing. New York, 1978. 
 - Legman, G.: "The horn book". University Books. New York, 1964. 
 - Lucie-Smith, E.: "Ars erotica". Libros y libros. 1988. ISBN 84-89844-34-8. 
 - Marcus, S.: "The other victorians. A study of sexuality and pornography in mid-nineteenth-century England". Basic Books. New York, 1966. 
 - Neret, G.: "Erotica universalis". Taschen. Köln. Varias presentaciones y fechas. ISBN 38822859095, 3822857645, 3822841021, 3822812005.
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