An old rear-tenement in Roosevelt Street.

An old rear-tenement in Roosevelt Street.

In a Ludlow Street tenement lodging cellar.

"The Old Church" Tenement.

The Old Church" Tenement.

"The Old Church" Tenement.

Rear Tenements in Mott Street, in which an Italian Shot his wife dead and escaped, 1894.

Rear Tenements in Mott Street, in which an Italian shot his wife dead and escaped, 1894.

Necktie workshop in a Division Street tenement.

Necktie workshop in a Division Street tenement.

Necktie workshop in a Division Street tenement.

Necktie workshop in a Division Street tenement.

Typical Tenement Fire escape, serving as an extension of the "flat" -- Allen Street.

Typical Tenement Fire escape, serving as an extension of the "flat" -- Allen Street.

Bird's-Eye View of an East Side Tenement Block.

Necktie workshop in a Division Street tenement.

Yard in Jersey Street Tenement.

In a Ludlow Street tenement lodging cellar.

Rear Tenements in Mott Street, in which an Italian Shot his wife dead and escaped, 1894.

Baxter Street Alley, directly in the rear of Bandits' Roost.