Referring-domain totals come from the public Common Crawl graph (full page/anchor index like Ahrefs is paid-only). Linking pages and anchor texts below are a live web sample.
(pics-1.1 "http://www.icra.org/pics/vocabularyv03/" l r (n 0 s 0 v 0 l 0 oa 0 ob 0 oc 0 od 0 oe 0 of 0 og 0 oh 0 c 0) "http://www.rsac.org/ratingsv01.html" l r (v 0 s 0 n 0 l 0))