By Anon
By Sinclair MacLeod, Martin Skelton, John Stringer, Martin Skelton and John Stringer
By Sinclair MacLeod, Martin Skelton, John Stringer, Macleod, Sinclair, Skelton, Martin, Stringer, John
By Ruth Merttens, David Kirkby
By NEW NCGM
By NCGM
By Ginn Mathematics
By D. Kirkby, R Merttens, Kirkby, D., Merttens, R
By R Merttens/D Kirkby
By Ruth Merttens, Mr Dave Kirkby
By Christopher Awdry, Awdry, Christopher, Stott, Ken
By Colin Dann, The County Studio
By Thomas The Tank Engine
By Keith J. & John H. Meiser & Bryan C. Sanctuary. Laidler, Laidler, Keith, Meiser, John, Sanctuary, Bryan C.