The History of 3 Midtown Neighbors - The New York Times
5th Ave, New York City Oil painting by Ludmila Kovalenko
NYC 1920 - 1925 Cultural Revival of the Roaring Twenties
What Happened to the Gilded Age Mansions of New York City? - WSJ
Lower East Side - Wikipedia
Gilded Age Mansions Fifth Avenue
New York City's proudest thoroughfare - Fifth Ave., looking north
What 5th Avenue Looked Like in 1900
Park Avenue - Wikipedia
New York City street scene, circa 1929.
Vintage Photograph of Fifth Avenue and 42nd Street Circa 1897
The Lung Block: A New York City Slum & Its Forgotten Italian