Second Floor Music.
Recordings are controlled by their particular labels, so mostly Decca, but not all.The songs themselves have all different rightsholders; use the link below to search ASCAP's database.
For most common uses, permission is issued by film licensing corporations such as those listed at the link below.
You can use SearchWorks for Entertainment Research, Project Management and Permissions and Copyright Clearances. You can contact SearchWorks for more information by phone at (323) 469-3783.
Most Fox requests are handled through Motion Picture Licensing at the link below.
Contact information for the US Copyright Office is at the link below.
It depends on what you need. For general copyright information, contact the copyright office in your country. For permission to use specific works, contact the rightsholder or their administrator.
It appears that they handle copyright & IP matters internally through their Permissions and Subsidiary Rights departments. You can inquire further through the "contact us" link at their homepage http://www.llewellyn.com/
Your written work is automatically protected by copyright as soon as you wrote it down. If you are hiring illustrators, you would want to contract that the images they create based on your written work are "works made for hire," which would mean you retain copyright in them. It may be worth your while to contact an experienced intellectual property attorney to work with you on this project.
Contact the U.S. Copyright Office. It is an agency of the Federal Government.
Contact the copyright owner, or his/her agent.
You need to obtain permission from the copyright holder to recite "Casey at the Bat" in public. The poem is still under copyright protection, so you would need to contact the appropriate rights holder or licensing agency to secure the necessary permissions.
Contact information for the US Copyright Office is at the link below.