1. Relation d'un Voyage dans l'Yemen 1841
2. U.S. Dept. Agr. Tech. Bulletin 1956 1139 Biological Control of Insect Pests in the Continental United States
3. U.S. Dept. Agr. Bur. Entomol. Plant Quarantine 1942 ET 192 Method for the Preparation of Sporedust Mixtures of Type A Milky Disease of Japanese Beetle Larvae for Field Inoculation
4. FLANDERS, S.E., HILGARDIA 4: 465 (1930).
5. FLANDERS, S.E., MEDEDELINGEN VAN DE LANDBOUWHOGESCHOOL EN DE OPZOEKINGSSTATIONS VAN DE STAAT TE GENT 20: 257 (1955).