Here are scans of several pages from the Watch Tower and Golden Age magazines (1908-1926) for Christmas. These, of course, are from when the JWs celebrated Christmas and are very pro-Christmas. The file, about 4.5 MB, can be downloaded from:
Christmas Greetings from the Watch Tower and the Golden Age!
I believe the last Bethel Christmas was 1926 and they stopped celebrating Christmas soon afterwards. How they passed the "spiritual inspection" in 1918 though they were still celebrating Christmas (and did so for many years afterwards) never made sense to me.
Two things in the file particularly stand out to me. The first is how the Bible Students (as JWs were called then) would personally deliver Christmas gifts back then. The ads from the Golden Age state that one could wire their Christmas order to Brooklyn and then headquarters would have the local congregation make the delivery of that order (one of their publications) as a Christmas present just in time. The second thing that stands out to me is the story of how the Christmas spirit overtook the Judge and the other Bible Students in the Atlanta penitentiary. The Feb 15, 1919 WT tells how the Bible Students showered JFR and the others Bible Students with many Christmas presents. There were several other inmates who did not have anything for Christmas, so the 8 Bible Students in prison distributed presents to those who had nothing for Christmas! A rather touching story, actually.