[Vince Ferrer]

Here are a couple of links for you:

John B. Calhoun

Escaping the Laboratory: the rodent experiments of John B. Calhoun & their cultural influence

[Brian Kopp DPM]

Here are a couple of links for you:

Julian Simon

The Ultimate Resource II: People, Materials, and Environment

[Brian Kopp DPM]

Your second link doesn’t seem to be working, but I would like to read it. Are you aware of any other links to it?