1927-10-03: Celtic 4-1 Cardiff City, Friendly – The Celtic Wiki

Celtic Team Line-Up 1927-28 – The Celtic Wiki

Belfast Celtic – The Celtic Wiki

Cardiff City F.C. - Wikipedia

1969-04-26: Celtic 4-0 Rangers, Scottish Cup – Pictures – The Celtic Wiki

The Celtic Wiki – A comprehensive guide to Celtic FC, a football team based in Glasgow, Scotland.

Celtic Team Line-Up 1958-59 – The Celtic Wiki

2010-03-24: St Mirren 4-0 Celtic, SPL – The Celtic Wiki

Celtic Team Line-Up 1927-28 – The Celtic Wiki

1974-04-10: Celtic 0-0 Athletico Madrid, European Cup – Pictures – The Celtic Wiki

Celtic Team Line-Up 1890-91 – The Celtic Wiki

Celtic Football Club 1880 to 1889