Meade, Teresa A.
A history of modern latin America: 1800 to the present
Wiley-Blackwell, 2010
 Buku Teks SO
Chairs : 1,000 masterpieces of modern design, 1800 to present
Edited by Charlotte Fiel, Peter Fiell
Goodman Fiell, 2012
 Buku Referensi
Snyder, Louis L.
Basic history of modern Germany
Van Nostrand Reinhold, 1957
 Buku Teks SO
Snyder, Louis L.
Basic history of modern Germany
Van Nostrand Reinhold, 1957
 Buku Teks SO
Holborn, Hajo, 1902-1969
A history of modern Germany
Alfreed A. Knopf, 1969
 Buku Teks SO