2008-07-24: Cardiff City 1-0 Celtic, Algarve Challenge Cup, Faro – Pictures – The Celtic Wiki

Celtic 4-0 St Mirren: Kyogo Furuhashi nets brace as Liel Abada and David Turnbull also score in comfortable victory, Football News

Celtic fan reveals Alfredo Morelos regret in emotional interview - Old Firm Facts - Daily Record

1988-10-05: Celtic 4-0 Honved, European Cup – Pictures – The Celtic Wiki

1977-05-07: Celtic 1-0 Rangers, Scottish Cup Final – Pictures – The Celtic Wiki

Artur Boruc is returning to Paradise for Henrik v Lubo game, Celtic FC Foundation

Seaview belfast hi-res stock photography and images - Alamy

2009-01-28: Celtic 0-0 Dundee Utd (aet, 11-10 pens), League Cup – The Celtic Wiki

Marian Shved admits he's got the Celtic bug as he arrives at Parkhead - Daily Record

Celtic FC Lisbon 40th Anniversary Sample Shirt

The 6 Celtic stars who impressed against Wolves as Kyogo sparkles in Dublin draw - Football Scotland

1977-05-07: Celtic 1-0 Rangers, Scottish Cup Final – Pictures – The Celtic Wiki

Soccer - The Algarve Challenge Cup 2008 - Cardiff City v Celtic - Estadio Algave Stock Photo - Alamy

Photos: Jeremie Frimpong's Celtic Q&A

Celtic F.C. in European football - Wikipedia