edited by E. Bilgen and K.G.T. Hollands
Pergamon Press, 1986
Buku Teks
edited by Eduardo de Oliveira Fernandes, James E. Woods and Andrei P. Faist
Pergamon Press, 1981
Buku Teks
Mouton & Co., 1964
Buku Teks
Pergemon Press, 1986
Buku Teks
Library of Congress , 1986
Buku Teks