THE APRIL issue of Who Do You Think You Are? Magazine will be on sale from Tuesday, 23 March 2010.
Immigrant ancestors
What the latest online records can reveal about your forebears who moved to Britain from overseas
Railway workers
We show you how to track down ancestors who worked on one of Britain's largest transport networks
Stonemasons
The harsh lives of the skilled craftsmen who built the world we see around us today
The 1939 'census'
What the release of the National Register could reveal about your family's history
Plus Using army records, how to date your family photographs, getting started with oral history projects and much more
The second part of our London series features data records worth over £30, including:
First World War army lists for London
Plus war memorials and rolls of honour, worth £20.48
1920s guide to London
Including an apprentice index and burials worth £10.49
Plus: Documents, images, maps and indexes from the borough achives