* Visit the Washington Post website. The Washington Post has an online archive of its comics, including Ninian Beall. To access the archive, go to the Washington Post website and click on the "Comics" tab. Then, click on the "Archive" link. You can then search for Ninian Beall comics by date or keyword.
* Visit the Library of Congress. The Library of Congress has a large collection of newspapers, including the Washington Post. You can visit the Library of Congress in person or use its online catalog to search for Ninian Beall comics.
* Contact the Washington Post directly. You can also contact the Washington Post directly to inquire about obtaining copies of Ninian Beall comics. The Washington Post's contact information is available on its website.
It's important to note that some Ninian Beall comics may be copyrighted, so you may need to obtain permission from the Washington Post before using them.