Gustave FLAUBERT. L.A.S., Croisset April 24 [1871], to his friend Félix-Archimède Pouchet; 1 page in-8 on blue paper. "I would like to introduce my nephew Mr. Commanville, who needs scientific information on oak woods. Can you tell him what he should read? "... Correspondence (Pléiade), t. IV, p. 308.