=LDR 22 4500 =001 4369 =082 04$a966.9 HIL =100 1\$aHill, Polly =245 10$aPopulation, prosperity and poverty: rural Kano 1900 and 1970 =260 \\$aLondon :$bCambridge University Press,$c1977 =650 \0$aBooks =852 \\$bFreeman Library$h966.9 HIL