The IRS requires tax-exempt 501(c)(3) organizations to make available certain documents, including its three most recent 990 filings and its tax-exempt determination letter. These documents are listed below.
Forms 990
Tax Exemption Determination Letter
Group Exemption Letter
Posting these documents on this website satisfies the IRS requirement for "widely available". Please see the following for details:
https://www.irs.gov/charities-non-profits/public-disclosure-and-availability-of-exempt-organizations-returns-and-applications-exemption-where-organization-makes-documents-widely-available
Please note that the American Inns of Court Foundation applied for tax-exempt status in 1985. The IRS exempts organizations that applied for tax-exempt status prior to July 15, 1987 from its public disclosure requirements in regard to the Form 1023 Application for Recognition of Exemption. Please see the following for details:
https://www.irs.gov/charities-non-profits/public-disclosure-and-availability-of-exempt-organizations-returns-and-applications-exemptions-from-requirements