If you do not find the full text online , you will need to go back to Journals and More CAT and find out if the library owns the journal. The following sources would be good ones to look at for this class. Select the education group Periodical Abstracts this is a general index with some full text articles. Direct another general index with some scholarly journals. This database indexes the three journals you need to use.
Many articles are in full text format.
Using other subject databases related to your topic will also retrieve articles, in addition to the databases listed above. The Illustrated Encyclopedia of Medieval Civilization. Dictionary of the Middle Ages. The WWW is a rapidly growing resource. Please be aware that anyone can develop a web site and that you must be a savvy WWW user to separate out the legitimate information from what is purely propaganda.