1.
 |  | Title: The Cruising Guide to the New England Coast: Including the Hudson River, Long Island Sound, and the Coast of New Brunswick, Twelfth Edition by Robert C. Duncan, W. Wallace Fenn, Paul W. Fenn, Roger S. Duncan ISBN: 0393048586 Publisher: W.W. Norton & Company Pub. Date: 26 August, 2002 List Price: $49.95 Amazon.com Price: $34.96 |
2.
 |  | Title: Introductory Biostatistics for the Health Sciences by Robert C. Duncan ISBN: 0827342306 Publisher: Delmar Publishers Pub. Date: April, 1983 List Price: $72.95 Amazon.com Price: $66.95 |
3.
 |  | Title: Developments in Mathematical Psychology : Information, Learning, and Tracking by Robert Duncan Luce, Robert R. Bush, J. C. R. Licklider ISBN: 0313224641 Publisher: Greenwood Publishing Group Pub. Date: 21 July, 1980 List Price: $65.00 Amazon.com Price: $65.00 |
4.
 |  | Title: Agricultural Safety & Health for Engineers by Jerry R. Duncan, Robert H. Wilkinson, Mark A. Purschwitz, Dennis J. Murphy, Karl C. Anderson, L. D. Baker ISBN: 0929355512 Publisher: American Society of Agricultural Engineers Pub. Date: July, 1994 List Price: $22.25 Amazon.com Price: $22.25 |