Argos is a limited-area search engine. In other words, it is a search engine that will only search out sites that have something to do with the ancient and medieval past. It is created and maintained by a team of scholars who maintain specialized link pages. (
http://argos.evansville.edu
)
A commercial service whose Internet guides are sometimes very good indeed. (
http://historymedren.about.com/homework/historymedren/cs/thereformation/index.htm
)
Although this can occasionally exhibit denominational bias, by and large this is an excellent source for information. Since it is based on a 1913 published text, however, its interpretations are somewhat old fashioned and it cannot be taken as the last word. (
http://newadvent.org/cathen/
)
This journal is devoted to publishing articles by new scholars, either working toward doctoral degrees or having completed such work within the previous three years. (
http://www.humnet.ucla.edu/humnet/cmrs/publications/comitatus/comitatu.htm
)