2 books
Biographies of Distinguished Scientific Men. by Francois Arago ... Tr. by Admiral W.H. Smyth ... the REV. Baden Powell ... and Robert Grant a 1st Seri
Biographies of Distinguished Scientific Men. by Francois Arago ... Tr. by Admiral W.H. Smyth ... the REV. Baden Powell ... and Robert Grant a 2nd Seri