Crosstown Trolley custom-puzzles This image was used for

This image was used for the cover of the book "The Kennedy Years" in 2013

The dimensions of Times pages have changed several times since 1851

Immigrants lived in the miserable conditions -- cramped

London and Brussels

Crosstown Trolley custom-puzzles This image was used forA New York City trolley car slowly makes its way eastward between Fifth and Sixth avenues along 42nd Street, which looks more like a construction site in this 1898 photograph. The county's first trolley, pulled by horse, ran along the Bowery as early as 1832. Electric trolleys replaced horse cars in the late 1800s in New York and were a common sight for five decades. Passengers would hop on and off the trolleys, which averaged about 6 to 10 mph. With