Discover... is a modified version of Western Michigan University's Searchpath:

Resources for Librarians and Educators, Credits:
Original Searchpath material © 2001-2002 by the Board of Trustees of Western Michigan University. Searchpath incorporates material from TILT, a tutorial developed by the Digital Information Literacy Office for the University of Texas System Digital Library, © 1998-2002. This material may be reproduced, distributed, or incorporated only subject to the terms and conditions set forth in the Searchpath Open Publication License.

Discover... also makes use, with permission, of information available on Grant MacEwan College's Website, including their version of Searchpath.

Resources for Librarians and Educators, Credits
This version of SearchPath has been customized by Grant MacEwan College 2005.
Original Searchpath material © 2001-2004 by the Board of Trustees of Western Michigan University. Searchpath incorporates material from TILT, a tutorial developed by the Digital Information Literacy Office for the University of Texas System Digital Library, © 1998-2002. This material may be reproduced, distributed, or incorporated only subject to the terms and conditions set forth in the Searchpath Open Publication License.

Searchpath Classic
The original version of the Searchpath tutorial is available on the Western Michigan University Website, distributed at no charge under an Open Publication License (OPL).

Searchpath Classic Project Development & Credits
Brief information about the Searchpath tutorial's resources, development, and the Searchpath team.

The Red Deer College version of the tutorial is also available free of charge under the OPL.