Roger Steffens & Peter Simon's reggae scrapbookRoger Steffens, Peter Simon · First published 2007Open the Tome
Atlas of Deep-Water OutcropsJoe Studlick, Roger Shew, Tor Nilsen, Gary Steffens · First published 2007Open the Tome
Global Treasures Presents the World of Reggae Featuring Bob MarleyRoger Steffens · First published 2001Open the Tome
Factors influencing consumer choice of residential locationRoger Charles Steffens · First published 1964Open the Tome
