Note: There are other series with the same name: Signals (Aeon)

• Series: Signals Series Record # 14751

• Signals
  • The Signals (1966) [SF] by Francis Cartier [only as by Francis A. Cartier]
  • The Frequency of the Signals (1986) [SF] by Francis Cartier
  • The Day The Signals Started (1991) [SF] by Francis Cartier
  • The Day The Signal Stopped (1993) [SF] by Francis Cartier