There are a number of sources for finding sample letters, several have been added below. If you wish to start from scratch, or you wish to call or email you should have the following information on hand.
|Title:||Learning in College, Second Edition|
|Copyright:||Hypothetical Book Company, 1970, 1972|
|Material to be duplicated:||Chapters 5, 6, and 15 (photocopy enclosed)|
|Number of Copies:||500|
|Distribution:||The material will be distributed to students in my classes and they will pay only the cost of the photocopying|
|Type of Reprint:||Photocopy|
|Use:||The chapters are to be used as supplementary teaching materials.|
Crews, Kenneth D. "Permissions." Columbia Copyright Advisory Office. Columbia University, 23 June 2009. Web. 27 May 2011. <http://copyright.columbia.edu/copyright/>.
Russell, Carrie, and Dwayne K. Buttler. "Chapter 6." Complete Copyright: an Everyday Guide for Librarians. Chicago: American Library Association, 2004. 107-14. Print.
There are a number of clearance agencies that you can apply to based on the format of the material for which you are requesting permissions.