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.

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

"The Old Church" Tenement.

In a Ludlow Street tenement lodging cellar.

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

In a Ludlow Street tenement lodging cellar.

"The Old Church" Tenement.

The Old Church" Tenement.

Necktie workshop in a Division Street 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.