A Brainerd Jones drawing of Comstock House that appeared in the Santa Rosa Republican, March 28, 1905. The article that accompanied the picture can be read at the "I See by the Papers" blog.
There are several clues that the drawing was made before construction began: the garage is missing, more than one full-size window is on the south wall of the library, corbels support the dining room bay windows, and the sidewalks are curved. Because the drawing includes the Lombardy Poplar at about the proper size and position, it's possible that other background details are also fairly accurate. The gnarled oak slightly hidden at the left side of the house and behind the fence is in the correct position to be the majestic tree on the property line today; if so, its height in the drawing suggests that it's now about 150 years old.