Databases of Nonprofit organizations:
Guidestar: http://www.guidestar.org/https://projects.propublica.org/nonprofits/search?q=paranormal
IRS Main database that replaced IRS Publication 78:
http://apps.irs.gov/app/eos/mainSearch.do?mainSearchChoice=pub78&dispatchMethod=selectSearch
2024: https://apps.irs.gov/app/eos/
IRS Database of Organizations with less than $50,000 in Revenue, IRS E-postcard filers:
Propublica has PDFs of tax returs of nonprofits: https://www.propublica.org/search?qss=psychical