Just got these today. Factory master copy handbooks, from 1973/4. All have handwritten ammendments, for errors and ommisions 
http://www.commervanspares.co.uk/
http://www.yorkshireclassiccampers.co.uk/
http://www.commervanspares.co.uk/
http://www.yorkshireclassiccampers.co.uk/