Sources of Secondary Data. You can break the sources of secondary data into internal sources and external sources. Internal sources include data that exists and is stored inside your organization.External data is data that is collected by other people or organizations from your organization's external environment.nternal sources include data that exists and is stored inside your organization. External data is data that is collected by other people or organizations from your organization's external environment.
Proctors Theater Tickets can be purchased at the Proctors Theater Box Office, on the Proctors website or by phone (518) 346-6204 School Show - Friday, December 1, 2017 - 10:00 am Saturday, December 2, 2017 - 7:00 pm
To better accommodate your needs, special seating arrangements can be purchased by calling Ticketmaster at 800-745-3000, going online at www.ticketmaster.com, or at any Ticketmaster outlet. Tickets are also available at NYCB Theatre at Westbury box office. For hearing impaired patrons, we have Infrared Assisted Listening Devices that are distributed on a first-come, first-serve basis.