William K. Vanderbilt Costume Ball [Album title page.]

Mrs. William K. Vanderbilt (neé Alva Erskine Smith)

Mr. William Jay

Mr. [William Bayard] Cutting

Mr. William Douglas

Mrs. William Douglas (neé Adelaide Townsend)

Mr. Allen Thorndike Rice

Mrs. Sam Penniman (neé Mary Knower)

Mr. Pierre Mari [Peter Marie.]

[Mrs Arthur Paget (née Mary (Minnie) Paran Stevens).]

Mr. Isaac Bell

Mrs. Henry Leavitt

Miss Amy Townsend

Miss [Frederica] Belmont (later Mrs. S. S. Howland)

Mr. H. Duncan Wood

Lady Mandeville (neé Consuelo Yznaga)

Mr. James Otis

Mr John Whipple

Mr. Charles Ross

Miss Misier