Citations please for any of them saying ?second floor? and saying it on 11/22.
First official appearance of the lunchroom story!

As Mr S Murphy pointed out several years back, the words
"he accompanied the officer into the front of the building. They saw no one there [...]" are striking because they
needlessly refer to a non-encounter-------------
at a location which
just so happens to be the very location which Mr Holmes was to hear Mr Oswald identify as
the location of his encounter with a police officer:
Vestibule: front entrance, first floor. 