These journals are located in the Periodicals/Microfilm Area in the library AND in the online database JSTOR!!
Some websites may lead you to scholarly articles! Look for scholarly societies and journals online. You many find only the Tables of Contents of Journals online, but that can be important. Read the article abstract and if you have reason to think the article may help support your thesis, then order the article from Interlibrary Loan!
Should you have some time to gather great books and articles, please do not hesitate to order books and articles from other libraries!