It appears there is a notation for Gustave Anjou fraudulent individuals. https://www.wikitree.com/g2g/248174/gustave-anjou-fraud
More digging. There is reference to Caruthers and Sproull being affected by Anjou's work here:
http://web.archive.org/web/20120721013946/http://personal.linkline.com/xymox/fraud/anjousbu.htm
and
http://web.archive.org/web/20120905105335/http://personal.linkline.com/xymox/fraud/fraud.htm
Specifically:
SPROULL Family from 1283 A.D.: with Ancestry of, e.g., Governor W.C. Sproull of Pennsylvania. Also the Affiliated Families; CLARK, with the Ancestry of Sen. W.C. Clark, MURE, PATTERSON, CARRUTHERS, etc. 929.273 Sp87a
FWIW, I couldn't access the links that appear on Jillaine's second archive.org URL, but I found one page from an earlier version of the website on archive.org: