Try these databases first to find scholarly articles in Philosophy.
Depending on your topic, you may find some of these databases useful.
Publishes papers that utilize formal methods or that deal with topics in logical theory, such as: contributions to branches of logical theory directly related to philosophical concerns; contributions to philosophical discussions that utilize the machinery of formal logic; discussions of philosophical issues relating tothe logical structure of language; philosophical work relating to specific sciences.
You don't use TOPCAT to find articles.
The Finding Articles tutorial explains the process in more detail.
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Interlibrary loan is a system that allows you to request material from other libraries to be sent to Trent for you to borrow. Normally, there are no costs to use the ILL service. Plan ahead because it can take a few days or even weeks for material to be sent, depending upon availability.