I've also put the link under "links" in the right hand column.
Soon — tomorrow? maybe … I'll start crawling up this stretch of the avenue, noting what's changed.
After which I may pause before shooting the corners above 110th Street — I'm not sure where, if anywhere, this exercise is going, and I think there are enough samples now to figure that out without doing the whole avenue first.
If something comes of it, then I'll go ahead with the rest.
I didn't mention this before, but you may notice if you haven't already that though Tenth Avenue is called Amsterdam Avenue starting at 59th Street, I've captioned the photographs in the "then & now" set "Tenth Avenue" all the same, as an administrative convenience on this end (don't ask).