Here I will post a link to "The Paideia Archive".
This archive contains many philosophy papers by thinkers within their respective field. The archive is arranged by subject matter which makes it easy for users to find and read any paper written upon a subject of his or her interest.
Here is the link:
The Paideia Project ON-LINE: Archive Sections
Once you are there scroll down the page to find the categories.
Here is a list of some of the categories:
Logic and the Philosophy of Logic:(25 papers in this category)
Philosophy of Religion: (35 original papers here)
Ancient Philosophy: (43 papers)
There are 45 Categories in all. Browse and enjoy. Happy reading!