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

William K. Vanderbilt Costume Ball [Album cover.]

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

Mr. Thorne

Mr. [William Bayard] Cutting

Mr. William Douglas

Mr. Perry Belmont

Mrs. William Douglas (neé Adelaide Townsend)

[Mrs. Hamilton McK. Twombly (neé Florence Vanderbilt).]

Mrs. Peters[?]

Mr. James Otis

Mr. Allen Thorndike Rice

Mr. Isaac Bell

Mrs. Henry Leavitt

Mr. H. Duncan Wood

Mr. Buchanan Winthrop

Mr. Charles Ross

Miss Schermerhorn & Mr. Thorne

[Mrs. William Seward Webb (neé Lila O. Vanderbilt).]

Mr. Pierre Mari [Peter Marie.]