@misc{indiciae80e1354d95c1,
  title = {Mt. Penn Gravity Railroad of Reading, Pa. : a ride up the glen by steam : a mountain ride by gravity : a most attractive summer excursion : 1,200 feet above the sea},
  author = {mt. penn gravity railroad},
  year = {1890},
  url = {https://www.loc.gov/item/2010589242/},
  note = {Source identifier: 2010589242}
}