Apollonius the Nazarene by Dr. R. W. Bernard, Part 8
On Apollonius meeting Buddhist monks, a history.
http://www.apollonius.net/bernard8e.html

Order of Nazorean Essenes - A Buddhist Branch of Original Christianity
An effort to show the connections between Eastern Christianity, Gnosticism, Manichaeanism, and Buddhism.
http://essenes.net/subindexbuddhas.htm

Buddhism and Islam
A description of Buddhism from an Islamic perspective.
http://www.islamawareness.net/Buddhism/

Buddhist Influences in the Near East
An essay on the historical relationships between Christianity, Buddhism, and Manichaeanism.
http://www.antiqillum.org/texts/bg/Qadosh/qadosh023.htm