In the mythology of Fiji, Ratumaibulu is a god of great importance who presides over agriculture. In the month called Vula-i-Ratumaibulu, he comes from Bulu, the world of spirits, to make the breadfruit and other fruit trees blossom and yield fruit. He is said to be a snake god.
- "The month of Ratumaibulu", corresponding roughly to November.
- The Journal of the Royal Astronomical Society of Canada, 1907, pages 153, 372
- The Journal of the Royal Astronomical Society of Canada, 1907.
- Freese, John, The Philosophy of the Immortality of the Soul and the Resurrection of the Human Body. Facsimile reprint of 1864 edition. Kessinger Publishing, 2005, ISBN 1-4179-7234-3.
- T. Williams, J. Calvert, Fiji and the Fijians, Heylin, 1858.