Title: Crystallography: A Very Short Introduction, Author: A. M. Glazer
Title: Crystals: The Modern Guide to Crystal Healing, Author: Yulia Van Doren
Title: Sensitive Crystallization Processes: A Deonstration of Formative Forces in the Blood, Author: Ehrenfried Pfeiffer
Title: The Six-Cornered Snowflake, Author: Johannes Kepler