Jumlar 1: Ya kasance dan kungiyar Royal Colonial Institute, da Royal Geographic Society, da kuma Royal Statistical Society (RGS). Jumla ta 2: Ya kasance memba na Cibiyar Harkokin Kasuwanci ta Royal, Royal Geographic Society da Royal Statistical Society (RGS). Tambaya: Shin jumlar 1 da jumlar 2 suna bayyana ma'ana iri ɗaya? Shin ko a'a?
Haka ne