An old rear-tenement in Roosevelt Street.

An old rear-tenement in Roosevelt Street.

Yard in Jersey 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.

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

In a Ludlow Street tenement lodging cellar.

In a Ludlow Street tenement lodging cellar.

In a Ludlow Street tenement lodging cellar.

"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.

"The Old Church" Tenement.

Necktie workshop in a Division Street tenement.

Necktie workshop in a Division Street tenement.

The Old Style of Tenements, with Yards.

Necktie workshop in a Division Street tenement.

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

Necktie workshop in a Division Street tenement.