Business Plans Handbook
available online as part of the Gale Virtual Reference Library.  A collection of representative business plans compiled by entrepreneurs seeking funding for small businesses.

Bplans.com
Most plans here can be purchased from the publisher, but 50 sample plans are freely available on the Web.

Business Plans Index
A subject index to sample business plans, including those published in book form and those available from Web sites.   Compiled  by the Pittsburgh Public Library (Carnegie Library of Pittsburgh).

Mplans.com
A small collection of sample marketing plans are available at no charge (approximately 25 of them); users can also purchase additional plans for a fee.

Census Business Builder:  Small Business Edition

A step-by-step approach for locating census information about small businesses.