What has the author Colin Robson written?

Rodney Collin has written:

'El Espejo de La Luz'

'The theory of celestial influence' -- subject(s): Miscellanea, Cosmology, Human beings, Sun, Occultism

'Christian Mystery'

'Herald of Harmony'

'The theory of conscious harmony' -- subject(s): Miscellanea, Spiritual life

'Palms and patiOS' -- subject(s): Description and travel