Here are a couple of interesting articles which might be pertinent:
March 1908 issue , Pages 69 thru 71 ,
http://tinyurl.com/bte9yq9
(scroll down to the 8th hit which is the article:
Something About Strains
What a Strain Is—The Value of It—How to Establish It—What to Accomplish by It—Time Required to Secure Results
By HARMON SEELEY BABCOCK
Who is the author?: Born April 11, 1849, at 10 yrs. old started breeding fine fowl, Game Bantams, Cochins, Bolton Greys. Light Brahma and Games came later. A poultry breeder and judge who made the 2nd import of Cornish to America. Wrote monograph on Indian Game. Co-Author with I. K. Flech of, "The Philosophy of Judging". Author of 1888, "A poultry compendium...". Editor of an edition of the APA SOP.
----------------------------------
A typical Rose Comb Rhode Island Red, such as are bred at Sandy Creek Poultry Farm, Pittsburg, Pa. Birds from this farm have been winning in the largest and best shows.
-----------------------------------------------
The Poultry World , 1887 , Page 121
Problems and Principles.
By H. S. Babcock.
IX. WHEN, IF EVER, CAN NEW BREEDS AND SUB-BREEDS BE CALLED THOROUGHBRED FOWLS?
(note this is Part Nine and concludes from the evidence set forth in earlier Parts.)
http://tinyurl.com/c8ybvfl