Is there a reason why Van Til's books do not have page numbers?
It's a long-standing request. I brought the issue up 5 years ago, and I probably wasn't the first.
https://community.logos.com/forums/t/185237.aspx
https://community.logos.com/forums/t/168919.aspx
Etc.
From what I recall, these are very old resources from when Logos didn't attend to putting in everything like page numbers and indices like they do nowadays. The first linked thread suggests there are some rights or other technical issues delaying them from fixing them.
One of the problems is that this collection was produced by a third party back in the Logos 2.1 good old days. I imagine it would be a lot of work to go back and redo all the files. Originally the whole collection was one large file, Logos finally broke it up into individual book files, but I don't think any additional tagging was done at that time.
It's been an annual tradition of mine to raise the issue. Glad to see there are others clamouring for the page numbers.