1. Holt V. Why not eat insects? Whitstable: Pryor Publications; 1885.
2. Bequaert J. Insects as food: How they have augmented the food supply of mankind in early and recent years. Nat Hist J Amer Mus Nat Hist. 1921;21:191–200.
3. Bergier E. Peuples entomophages et insects comestibles: étude sur les moeurs de l’homme et de l’insecte. Avignon: Imprimérie Rullière Frères; 1941.
4. Bodenheimer FS. Insects as human food. The Hague: W. Junk Publ; 1951.
5. Meyer-Rochow VB. Can insects help to ease the problem of world food shortage? Search. 1975;6:261–2.