Congrès 43 Congresses 33 Kongress 14 cuadros estadísticos 10 statistical table 10 tableau statistique 10 Travail 7 more ... Aufsatzsammlung 6 Free trade 6 History 6 Geology 5 Géologie 5 International relations 5 Libre-échange 5 Relations 5 Economic conditions 4 Employment 4 Geology, Stratigraphic 4 Histoire 4 Italians 4 Recherche 4 Research 4 Stratigraphie 4 Antiquités 3 Antiquities 3 Commerce 3 Conditions économiques 3 Economic history 3 Femmes 3 Italian Americans 3 less ...