1.
 |  | Title: Ecotourism : A Guide for Planners and Managers (Volume 1) by Kreg Lindberg, David Western, Donald E. Hawkins ISBN: 0963633104 Publisher: Ecotourism Society Pub. Date: May, 1993 List Price: $22.00 Amazon.com Price: $22.00 |
2.
 |  | Title: Fulltext Sources Online, January 2001: For Periodicals, Newspapers, Newsletters, Newswires & Tv/Radio Transcripts With Internet Urls: Issue 1 (Fulltext Sources Online, 2001 Issue 1) by Donald T. Hawkins, Mary B. Glose, Lara E. Fletcher ISBN: 1573871095 Publisher: Information Today Inc Pub. Date: January, 2001 List Price: $125.00 Amazon.com Price: $125.00 |
3.
 |  | Title: Fulltext Sources Online: July 2002: For Periodicals, Newspapers, Newsletters, Newswires, & Tv/Radio Transcripts (Fulltext Sources Online, July 2002 Pt 2) by Donald T. Hawkins, Mary B. Glose, Lara E. Fletcher, Suzanne D. Bromberg ISBN: 1573871516 Publisher: Information Today Inc Pub. Date: July, 2002 List Price: $129.50 Amazon.com Price: $129.50 |
4.
 |  | Title: Tourism in Contemporary Society: An Introductory Text by Lloyd E. Hudman, Donald E. Hawkins ISBN: 0139254471 Publisher: Pearson Education POD Pub. Date: September, 1989 List Price: $58.00 Amazon.com Price: $58.00 |
5.
 |  | Title: The environmental classroom by Donald E. Hawkins ISBN: 013283135X Publisher: Prentice-Hall Pub. Date: 1973
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6.
 |  | Title: World Travel and Tourism Review 1993 by J.R. Brent Ritchie, Donald E. Hawkins, Hawkins Ritchie, D. Frechtling ISBN: 0851988539 Publisher: CABI Publishing, CAB International Pub. Date: September, 1993 List Price: $195.00 Amazon.com Price: $195.00 |
7.
 |  | Title: Social and Economic Impact of Tourism on Asian Pacific Region by Donald E. Hawkins ISBN: 9283320042 Publisher: Asian Productivity Org Pub. Date: June, 1983 List Price: $21.50 Amazon.com Price: $21.50 |
8.
 |  | Title: Ecolodge Sourcebook for Planners and Developers by Donald Hawkins, Sam Bittman, Megan E. Wood ISBN: 0963633112 Publisher: Ecotourism Society Pub. Date: June, 1995 List Price: $39.00 Amazon.com Price: $39.00 |
9.
 |  | Title: World Travel and Tourism Review: Indicators, Trends and Issues, 1992 by J.R. Brent Richie, Donald E. Hawkins, Hawkins Ritchie, D. F. Hawkins, J. R. Ritchie ISBN: 0851987710 Publisher: CABI Publishing, CAB International Pub. Date: May, 1992 List Price: $195.00 Amazon.com Price: $195.00 |