Bill, I just took a look at page 45 and think you are correct. Tho's could easily be mistaken for Theo when searching old handwritten manuscript.
Another thing to add to my research list.
 
		
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"Double guns are a sport and a pastime built into a beautiful package to which I attach myself when entering the great theater of autumn, those days now grow more precious because we are given so few".. Robin Lacy