Branding and Marketing

Six Ways Boards are Critical to a Nonprofit's Brand, Guidestar

 Income and Taxes

IRS Guidelines for Gift Shops 

Could Your Nonprofit Lose its Tax-Exempt Status? 

Tax Concerns When Your Nonprofit Organization Earns Money 

IRS Guidelines 

Profits for Nonprofits: Running a Successful Nonprofit Gift Shop (2005) By Nancy Kirk

This book from 2005 is available online.  The author has extensive experience running stores for non-profits.  One of the most useable parts is the outline for a gift shop manual - see chapter listing in front of book.

Fund Development 

10 Ways to Damage Donor Trust  

Nextafter.com - Conducts great research into what makes donors give, lots of free articles and resources.