There are also different fares which correspond to the length of time for which the tickets are valid. These fares, with a set time established on the ticket, permit the unlimited use of the Tren Urbano and the buses of the AMA. There are four types of ticket in this category. The first offers an unlimited service for one day and costs $ US . One can add to this a weekly pass for $ US , a 30 day pass for $ US , or, the most extensive, a 90 day pass for $ US . These can be obtained from ticket machines located throughout the system and can be paid for with cash, debit cards, or Visa and MasterCard.
While the Library is not aware of any . copyright protection (see Title 17, .) or any other restrictions in the materials in the Inventing Entertainment: The Motion Pictures and Sound Recordings of the Edison Companies, there may be content protected as "works for hire" (copyright may be held by the party that commissioned the original work) and/or under the copyright or neighboring-rights laws of other nations. The Library is anxious to hear from individuals or institutions that have information about these materials or know of their history.