De Blij, Harm J., author
Geography : realms, regions, and concepts
John Wiley and Sons, 1994
 Buku Teks
De Blij, Harm J., author
Geography : realms, regions, and concepts
John Wiley and Sons, 1997
 Buku Teks
De Blij, Harm J., author
Geography : regions and concepts ; a student supplement to accompany
John Wiley and Sons, 1981
 Buku Teks
De Blij, Harm J., author
Concepts and regions in geography
John Wiley and Sons, 2005
 Buku Teks
De Blij, Harm J., author
Geography : regions and concept
John Wiley and Sons, 1971
 Buku Teks