Diesel-electric traction is included to complete the story up to the 1970's. Electric traction has been important as railway motive power since early in the twentieth century.
SOUTHERN ELECTRICS H/B book A Pictorial Survey 1975
1970s Diesels & Electrics, A Steam Enthusiast Looks Back book no.53
SOUTHERN ELECTRICS 1948 - 1972 Volume 1 RAILWAY BOOK POST FREE RRP is £34.95
SOUTHERN ELECTRICS 1948 - 1972 Volume 2 RAILWAY BOOK RRP £34.95 POST FREE
SOUTHERN ELECTRICS Scrapbook Volume I RRP £34.95 POST FREE
Strathwood Pub Southern Electrics by David Brown & Kevin Derrick