WARNING: This post will be of interest to a narrow group of readers. My aim is to put the information into the blogosphere in an easily Googlable form.

Roy Rupert asks of my blogfather:

“What is the secret formula for apportionment? Hundreds of web sites - not one bit of hard facts!”

I believe I have found the answer in the final report of the Ontario Citizens’ Assembly on Electoral Reform. See page 156 of the PDF aforelinked. The answer is Hare quota with largest remainders.