Below are sources which Atarah Gur uses for this website and her classes pertaining to this subject:

Sha'ar Hagilgulim from Rabbi Shmuel Vital [Gates of Reincarnation].

Sefer Hagilgulim by Rav Meir Paporish {Book of Reincarnation].

Chessed le Avraham.

Arizal Storybook.

Plants by the Dead Sea: Photo SL Phares