(Part 2) Best history encyclopedias according to redditors

My high school offered a course on historical and modern genocides, it compared and contrasted older genocides to the 20th century genocides.

There's public resources, like these:

http://endgenocide.org/learn/past-genocides/

http://www.sciencespo.fr/mass-violence-war-massacre-resistance/

https://en.wikipedia.org/wiki/Genocides_in_history

Then there is textbook after textbook on genocides:

https://www.amazon.ca/Modern-Genocide-volumes-Definitive-Collection/dp/1610693639

https://www.amazon.ca/Encyclopedia-Modern-Ethnic-Conflicts-Rudolph/dp/0313313814

https://www.amazon.ca/Atrocities-Massacres-War-Crimes-volumes/dp/1598849255

If you were serious about finding resources on this, or in fact any topic, find university courses and their references, for example:

http://www.drps.ed.ac.uk/14-15/dpt/cxpghc11407.htm

http://guides.lib.uwo.ca/history3722f

I didn't even have to look on the second page of google.

Edit: Oh and the holocaust museum has information on other genocides: https://www.ushmm.org/confront-genocide/cases

I generally don't care for the Yahoo directory, but years ago when I was looking into philosophy I found this list of philosophers. It lists many popular philosophers and their years. I also found epistemelinks.com. The front page is kind of cluttered, but it looks like all the important info is under the "Philosophers" and "Topics" links. I never really ended up diving into it. I just thought I'd pass on some possibly helpful links. I also thought about buying a book like this. Maybe browse the related books for one that interests you.

I was quoting http://www.amazon.com/Encyclopedia-Classical-Philosophy-Donald-Zeyl/dp/0313287759 under Anaxagoras entry.
If you'd like I could type the relevant section.

Best I can find with a quick internet search

http://lukemuehlhauser.com/pre-socratics-a-painless-introduction/

Thanks! This will be my first attempt at doing anything out in the field so I'm hugely excited about it, even if it will be slow going and clumsy. =)

Got any recommendations for field identification books? I've got the Dorling Kindersley and the Philips guides at the moment - but they seem a bit light on the details. Are there any "classic" field guides worth picking up?