If you google "e v cooper" "London Missionary Society" and pick "Chapter x" from the hits you will get this: "We met the Rev. R. V. Cooper in Auckland immediately after he had handed his work over to the French missionaries, and we traveled with him to Sydney, whither he was going on his way to England. Mrs. Cooper, who was with him, is a granddaughter of William Henry, one of the first missionaries who landed at Matavai Bay in 1797, so that in them the earliest and the latest work of the Society were represented." from the following page it is clear that the "R" is a typo and this is your man. Hope this helps to make the connection. Judy