How did the ancients catalog the scrolls of the library of Alexandria? What was their system?
This is an excellent article on the Library. Scan down to the section on The Collection. I think you will find what you want there.
http://en.wikipedia.org/wiki/Library_of_Alexandria
To answer your question about how the ancients cataloged the scrolls of the Library of Alexandria, we can refer to the article you mentioned from Wikipedia. Here's a step-by-step guide on how to find the answer within the article:
1. Open your web browser and go to the Wikipedia website.
2. In the search bar, type "Library of Alexandria" and click on the search button.
3. The first result should be the Wikipedia page for the Library of Alexandria. Click on it to open the page.
4. Once you are on the page, you can scroll down or use the table of contents to find the section about "The Collection."
5. Click on the link or scroll down to that section to read the information about how the ancients cataloged the scrolls.
By following these steps, you should be able to find the specific information you're looking for about the ancient cataloging system used in the Library of Alexandria.