Oppenheim, L., author
International law: a treatise / L. Oppenheim; edited by H. Lauterpacht
Longmas, Green , 1958
 Buku Teks
Oppenheim, L., author
International law: a treatise / by L. Oppenheim
Longmas, Green , 1921
 Buku Teks
Oppenheim, L., author
International law: a treatise
Longmas, Green, 1952
 Buku Teks
Oppenheim, L., author
International law : a treatise
Longmans, Green, 1969
 Buku Teks
Oppenheim, L., author
International law: a treatise
Longmas, Green , 1955
 Buku Teks