1. Moyen Logone : Mayo Kebbi (Tchad) - Diamaré (Cameroun). / Cabot, Jean; Delrieu, Roland (ill.); Diziain, Roland; Scale of 1:500 000. Date of publication: unknown. (file: 00984RC_IRD_CMR-TCD_POPU_----_500000_IRD_CMR-TCD_CSRE_----_500000.tif)
2. Répartition du peuplement au Moyen Logone : Mayo Kebbi (Tchad) - Diamaré (Cameroun). / Cabot, Jean; Delrieu, Roland (ill.); Diziain, Roland; Scale of 1:500 000. Date of publication: unknown. (file: 00985RC_IRD_CMR-TCD_POPE_----_500000_IRD_CMR-TCD_CSRE_----_500000.tif)