Advertisement:Courrier des États-Unis, 25 May 1863.
List of performers and prices.
4)
Announcement:New-York Times, 25 May 1863.
Sanderson had played in Brooklyn on Saturday, May 23rd.It was a very successful performance.
COMMENT: Announcement says this will be his first concert in New York City, but according to an earlier entry, he played a matinee concert with Gottschalk at Irving Hall on the 23rd. Perhaps this means it’s his first concert in New York where he is the featured artist.