Seldin, Peter. The Teaching Portfolio : A Practical Guide to Improved Performance and Promotion/Tenure Decisions. 2nd ed. Bolton, MA : Anker Pub.Co., c1997.
 
 

Other useful readings:

 Budd, John. "Librarians are Teachers." Library Journal, 15 October 1982, 1944-1946.
An older piece arguing the importance of librarians' teaching role.

Green, James E. and Sheryl O. Smyser.  The Teacher Portfolio : a Strategy for Professional Development and Evaluation.  Lancaster, PA : Technomic Publishing Company, Inc, 1996.
Follows three teachers through the process of creating a teaching portfolio and provides examples.

Urbach, Floyd. "Developing a Teaching Portfolio." College Teaching 40, no. 2 (1992): 71-74.
Outlines 7 dimensions of the teaching portfolio with lists of questions addressing each of the dimensions.

Wolf, Kenneth. "Developing an Effective Teaching Portfolio." Educational Leadership 53, no. 6 (March 1996): 34-37.
Directed to K-12 teachers, but emphasizes the importance of reflection on the materials gathered.

Wolverton, Mimi. "Teaching Portfolios: The Experience at Miami-Dade Community College." JGE: The Journal of General Education 45, no. 4 (1996): 295-305. 
Details the community college's experience, with a warning against making the portfolio the end in itself instead of directing it to improving teaching.

Internet Sites:
http://www.ecu.edu.au/eddev/tchport/tchcont.htm 
Teaching portfolio guidelines from Edith Cowan University (Australia).  Includes step by step approach and list of references.

http://www5.gu.edu.au/gihe/services/resources/teachprot/tp_illfr.htm 
Sample illustrative teaching portfolios.  Each is prefaced by commentary on its particular strengths.

http://orion.math.iastate.edu/wagner/Teaching_Portfolio.html 
Sample teaching portfolio for Bruce Wagner, Department of Mathematics at Iowa State University.

http://www.utep.edu/~cetal/portfoli/map.htm 
Teaching portfolio site map.  Outlines a variety of ways of looking at materials included in the teaching portfolio.  Includes examples of teaching philosophies and a variety of references.

A search for "teaching portfolio" on the Web will take you to individuals' portfolio pages and additional teaching portfolio materials.