sécheresse (2) Case (2) Heat (2) Grammar, Comparative and general--Case (2) Droughts (2) Case (2) puits (1) neige (1) spectacle (1) fleuve (1) fusion (1) analyse (1) inondation (1) crue (1) évolution (1) Europe (1) comparaison (1) Europe (1) Catalogne (1) Comparison (1) Causes (1) Specimens (1) Views (1) Tree-rings (1) Snow (1) Sixteenth century (1) Series (1) Seasons (1) Runoff (1) Rivers (1)