Francis R. Hill and Douglas M. Mancino, Taxation of Exempt Organizations (2002-date) 10th floor - KF6449 .H534 2002, also available via Westlaw
Bruce R. Hopkins, The Law of Tax-Exempt Organizations (2007-date) 10th floor - KF6449 .H774 2007
Bruce R. Hopkins, Starting and Managing a Nonprofit Organization: A Legal Guide (2009) 10th floor - KF1388 .H66 2009
Bruce R. Hopkins and Jody Blazek, Private Foundations: Tax Law and Compliance (2014) 10th floor - KF6449 .H63 2014
Marilyn E. Phelan, Nonprofit Organizations : Law and Taxation (2017) 10th floor - KF1388 .N676 2017
The Organizations and Transactions Clinic at Stanford Law School has put together a very useful collection of forms and documents related to different types of and issues related to nonprofit organizations.