Author
Courtney, Roger
1
Goldthorpe, J. E. (John Ernest)
1
Huxley, Elspeth Joscelin Grant, 1907-
1
Imperato, Pascal James
1
Meister, Albert
1
Mtoro bin Mwinyi Bakari
1
Sheldon, Mary French, 1847-1936
1
Unesco
1
Vanden Bergh, Leonard John
1
Velten, C. (Carl), b. 1862
1
Young, T. Cullen (Thomas Cullen), 1880-1955
1