One of the five readers of this blog has a question

How can you confirm that someone actually lived in the Chelsea? 
Collected oral histories and archival sources are a good starting point.  You Must Remember This: An Oral History of Manhattan from the 1890s to World War II is both a fascinating book to read and a well documented resource.

You Must Remember This is part of Amazon’s “Search inside the book” program, which results in the ability to find interesting details about authors Edgar Lee Masters and Thomas Wolfe. 

on Page 462:

"... Only at the Hotel Chelsea did it seem that life continued as it had. The proper ladies enjoyed their afternoon teas, while the literary ..."