For her candidate dissertation, Preinhaelterová analysed the disintegration of the Bengali joint family as depicted in the works of Ashapoorna Devi (1992). In 1997, her monograph Hinduista od zrozeni do zrozeni (The Hindu from Birth to Rebirth), depicted key stages in a Hindu person's life illustrated with specific cases. It was appreciated for its depth of coverage of the parameters of lives of Hindu women.
