Columbia subject headings:
Marshes--Algeria.
Mosquitoes--Control.
Reclamation of land--Algeria.
Harvard subject headings:
Malaria--Algeria.
Marshes--Algeria.
Mosquitoes--Control--Algeria.
Reclamation of land--Algeria.
Princeton subject headings:
Marshes--Algeria.
Mosquitoes--Extermination.
Reclamation of land--Algeria.