The Ultimate Guide to Copyright Web Site – This is an incredible site. Regularly updated.
Christian Copyright Licensing International – For music lyric permissions
Copyright Clearance Center – Register your for work for use by others or to obtain permission
How to Cite Material Obtained from the Internet – Chicago Manual of Style (This is the style guide all book publishers use.)
Rights for the use of photographs. Bigstock.com and Getty Images are great resources for finding the right photo, without breaking copyright laws for their use.
When Works Enter the Public Domain
Buy the book, The Copyright Handbook: How to Protect and Use Written Works 14th Edition by Stephen Fishman, Nolo Press (2020).
Buy the book Getting Permission: How to License & Clear Copyrighted Materials Online & Off – Richard Stim, Nolo Press (2019).
Buy the book, Creativity and Copyright: Legal Essentials for Screenwriters and Creative Artists by John L. Geiger and Howard Suber, University of California Press (2019)