Throughout this book, 14 books by the author (in some instances as coauthor), all published by John Wiley & Sons, are referenced as follows:

1. IRS Audits of Tax-Exempt Organizations: Policies, Practices, and Procedures (2008): cited as IRS Audits
2. The Law of Fundraising, Fifth Edition (2014): cited as Fundraising
3. The Law of Intermediate Sanctions: A Guide for Nonprofits (2003): cited as Intermediate Sanctions
4. The Law of Tax-Exempt Healthcare Organizations, Fourth Edition (2014): cited as Healthcare Organizations
5. The New Form 990: Law, Policy, and Preparation (2009): cited as New Form 990
6. Nonprofit Governance: Law, Practices and Trends (2009): cited as Nonprofit Governance
7. The Nonprofits' Guide to Internet Communications Law (2003): cited as Internet Communications
8. Planning Guide for the Law of Tax-Exempt Organizations: Strategies and Commentaries (2004): cited as Planning Guide
9. Private Foundations: Tax Law and Compliance, Fourth Edition (2014): cited as Private Foundations
10. Starting and Managing a Nonprofit Organization: A Legal Guide, Sixth Edition (2013): cited as Starting and Managing
11. The Tax Law of Associations (2006): cited as Associations
12. The Tax Law of Charitable Giving, Fifth Edition (2014): cited as Charitable Giving
13. The Tax Law of Unrelated Business for Nonprofit Organizations (2005): cited as Unrelated Business
14. Tax-Exempt Organizations and Constitutional Law: Nonprofit Law as Shaped by the U.S. Supreme Court (2012): cited as Constitutional Law.

The second, fourth, ninth, and twelfth of these books are annually supplemented.

Updates on all of the foregoing subjects (plus The Law of Tax-Exempt Organizations) are available in Bruce R. Hopkins' Nonprofit Counsel, the author's monthly newsletter, also published by John Wiley & Sons.