Sambesi - Der donnernde Fluss
The River of Life and Death
1941
Geography of South America: The Continent (Revised)
1977
Map Skills: Recognizing Physical Features
1970
Antártica: O Continente dos Extremos
2021
Země jihu – Vietnam
1957
Echoes from the Tian Shan
2025
Minnesota: A History of the Land
2005
The Earth: Coastlines
1970
Our Round Earth: What It's Like
1971
