Individua

The above 2 private press book images come from Otago University's
41 Stunning Books exhibition - I sure wish full copies of these were online

Click for full size - I just can't remember which image database this comes from.
There were others in the series, but searches on text below the caricatures is fruitless.

Pumpkinseed Lepomis gibbosus by Duane Raver - he was commissioned by the
US Fish & Wildlife Service in the 1970s to produce a series of illustrations.
From their homesite, put 'raver' in the search field and then 'raver'
into the 'creator' field of the subsequent page.
This will bring up 65 glorious thumbnail images, available in supersize.
(there's a cookie or javascript block to passing on a direct link or I'm just stupid)

Capitalistas by Abraham Vigo of Argentina 1935
etching and acquatint
at the Grabados (Revolucionarios) website