Sherry, Norman
Conrad
Thames & Hudson, 1988
 Buku Teks SO
Microbial technologies in advanced biofuels production / Patrick C. Hallenbeck, editor
Springer, 2012
 eBooks
Conrad, Joseph, 1857-1924
Portable Conrad
New York : The Viking Press, 1947.
 Buku Teks
The portable conrad
edited, and with an introduction and notes by Morton Dauwen Zabe
Viking, 1947
 Buku Teks SO
Black, Conrad
Duplessis / Conrad Black
McClelland and Stewart, 1977
 Buku Teks SO