Hello,
As one who is experienced with the National Tribune, please note that not all places that hold it on microfilm have the complete run. The missing roll is usually October, 1904-September, 1905. For example, Carlisle Barracks in PA is missing this roll. Ohio Historical Society has only this roll! Gettybsurg NMP supposedly has them all.
It is well worth searching - and hopefully Dr. Richard Sauers will complete his massive articles index in the next few years so we can all save lots of time!
Greg Biggs