Garraghan, Gilbert J.
Fordham University Press, 1957
Buku Teks
Wolfe, Nancy Hatch
The Afghan Tourist Organization , 1965
Buku Teks
Brundage, Anthony, 1938-
John Wiley & Sons, Inc., 2018
Buku Teks
Library Association Publishing, 1994
Buku Referensi
Library Association, 1982
Buku Referensi