Death and the King's Horseman
Wole Soyinka
Petroleum Refining
Mark J. Kaiser & Arno de Klerk & James H. Gary & Glenn E. Handwerk
Roger Bacon and the Incorruptible Human, 1220–1292
Unknown
Thermal and Catalytic Processing in Petroleum Refining Operations
James G. Speight
A University Grammar of English
Randolph Quirk & Sidney Greenbaum