Home page for Skip Knox's essay on Alexander the Great. This source is reliable as it is and education websiter shown through the (.edu) It has alot of helpful hyperlinks so that you can pick what you want to read about on Alexander or the people related to him.
This is the Campaigns of Alexander, by Arrian, an ancient source on Alexander, but a secondary source because he was a Greek who lived during Roman times.
This site is not particullarly reliable, it is more of a third party website made by someone who wants to provide information on Alexander the Great. What it useful about it is it's bibliography, it provides a lot of information on the sources on Alexander. I would recomend using this to find out who the sources are, and then try to research further into them.
In a couple of sources it mentions that on alexanders date of birth a temple burnt down. a powerful symbol and great publicity for alexander (to add to his long line of related gods). this source simply corroborates this.
At his death in 323 BC, Alexander the Great ruled an empire stretching from the Balkans to India, yet the best accounts we have of his life were written hundreds of years after his death. This book presents new
Alexander the Great biography of the Macedonian king- I found this sorce exceptable but It's focusing on the Macedonian people making it one sided. I think this website is good for more visual aspects than the intellectual.