Ketchum, Richard M.
The American Heritage Picture History of The Civil War
American Heritage Publishing, 1960
 Buku Teks SO
Catton, Bruce
The American heritage : short history of the civil war
Dell Publishing, 1960
 Buku Teks SO
Sitaramayya, B. Pattabhi
The history of the Indian National Congress : volume I (1885-1935) / by B. Pattabhi Sitaramayya
Padma Publications, 1946
 Buku Teks SO
Wirshing, Roy H.
Civil engineering drafting/Roy H.Wirshing, James R. Wirshing
McGraw-Hill, 1983
 Buku Teks SO
Civil engineering materials / edited by N. Jackson, R.K. Dhir
Macmillan Education, 1988
 Buku Teks