41
42
43
44
Published 1999
“...Anthropogenic modification to the relief of Upper Silesia...”
Map
45
Published 1928
“...Rights of Minorities in Upper Silesia (Minority Schools)...”
Book
46
by Illing, Anke
Published 2005
“...Spotkania w Gornoslaskim Okregu Przemyslowym = Encounters in the Industrial Region of Upper Silesia...”Published 2005
Book
47
by Dietrich, Bruno
Published 1921
“...Map of the industrial triangle in Upper Silesia = Carte du triangle industriel de la Haute-Silesie...”Published 1921
Map
48
Published 1921
“...The necessity of a union of Upper Silesia with Poland = Necessita dell'unione dell'alta Slesia...”
Book
49
51
52
53