1. Importation into the United States from Africa of Rhipicephalus simus on a boutonneuse fever patient;Anderson;Am. J. Trop. Med. Hyg.,1981
2. Ticks and disease;Arthur,1956
3. Imported South African tick typhus;Barret-Connor;West. J. Med.,1983
4. Eine kleine epidemie von fiebre boutonneuse in Basel;Baumgartner;Schweiz. Med. Wochenschr.,1966
5. Etudes epidemiologiques et experimentales sur la fièvre boutonneuse, faites a l'Institut Pasteur d'Athenes;Blanc;Arch. Inst. Pasteur Tunis,1932