History is Humanity
G.K.'s Weekly, January 24, 1935

"The New Dark Ages"
G.K.'s Weekly, May 21, 1927

"The Infallible State"
G.K.'s Weekly, August 31, 1929

"What is Proper",  Life, Volume 63, 
American and English Humour, Life, Volume 63

Human Nature and the Historians

The Catholic World, Vol. CIV, No. 624, March 1917

A review of Gilbert's first book, which appeared in The Speaker on October 6, 1900, entitled "A Landmark in Lunacy":

http://books.google.com/books?id=B_wnAAAAYAAJ&dq=G.K.C.%20intitle%3AThe%20intitle%3ASpeaker&pg=PA24#v=onepage&q&f=false