The GWR Stars, Castles & Kings Part 1 : 1906-1930. O. S. Nock.
Nock, OS THE GWR STARS, CASTLES & KINGS : HB DJ
The GWR Stars, Castles and Kings : Parts 1 & 2 by O. S. Nock, 1967 & 1970 HBK
The GWR Stars, Castles & Kings book by O.S Nock parts 1 & 2 combined
The GWR Stars, Castles & Kings Parts 1 & 2 by O.S. Nock, 1981 HB David & Charles
The GWR Stars Castles and Kings Part 1 : 1906-1930 O. S. Nock Hardback
The GWR Stars, Castles and Kings, O.S.Nock David & Charles
