Using the Library Catalog:
To find books on your subject, use the BROWSE index and select "SUBJECT" from the drop-down menu.
Some sample searches:
The Library Catalog has an Advanced Search feature. Select the "Advanced Keyword" option and enter terms in the subject" field. These terms do not need to be in a set order. Results will be by default organized by relevence; you can swtich the list to newest first or oldest first.
A selection of newspaper collections online.