Two trees bearing silhouettes of families: population increase in Nigeria. Colour lithograph by Nigerian Educational Research & Development Council (NERDC), ca. 1990.

Date:
[1990?]
Reference:
799482i

Licence: In copyright

Credit: Two trees bearing silhouettes of families: population increase in Nigeria. Colour lithograph by Nigerian Educational Research & Development Council (NERDC), ca. 1990. Source: Wellcome Collection.

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