Who were the editors of the publication that Karl Siegfried Günsburg's information was featured in?

A. Singer, Isidore; Pick, Bernhard; and Funk, Wagnalls
B. Funk, Wagnalls; Singer, Isidore; and Pick, Bernhard
C. Singer, Isidore; and Pick, Bernhard only
D. Singer, Isidore; Pick, Bernhard; and others
Answer: 