William K. Vanderbilt Costume Ball [Album cover.]

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

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

Miss Schermerhorn & Mr. Thorne

Mr. William Douglas

Mr. [William Bayard] Cutting

Mrs. August Belmont (neé Caroline Slidell Perry)

Miss [Agnes] Binsse & Mr. [Reginald] Francklyn

Mrs. William Douglas (neé Adelaide Townsend)

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

Mr. William Jay

Miss Misier

Miss May Bird

Miss Amy Townsend

Mr. Thorne

Mrs. Peters[?]

Mr. Buchanan Winthrop

Mr. James Otis

Mr. H. Duncan Wood

Mr. Isaac Bell