I have no idea about skull shapes because it's not my forte but as for his info about the British Invasion, Spanish Censuses and contemporary historic...

Here's what I found on Brunei war against Spain. (Spanish attack on Kota Balu)"Spain declared war in 1578, attacking and capturing Brunei’s capital at...

I know of Fedor Jagor because I read the book years ago for research, most have to do with my interesst German/Austrian researchers that did pre-1900 ...