Bulletin Illustre

Belgium 

	Geological and Archaeological research in Walloon 

			Bulletins 
         
				Tome 5 1911-12 
				Tome 7 1924 
				Tome  8 1926 
				Tome  9 1929 
				Tome  11 1933 
				Tome  13 1939 
				Tome  14 1949